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Hydraulic empire par excellence

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Tissa Wewa, described by Henry Parker as an engineering marvel (Pic courtesy: Yashaswin Dineth Bamunusingha, via wikimedia.org)

Ruminations on Sri Lanka’s Ancient Past – Part VII

By Seneka Abeyratne

While the building of small-scale irrigation reservoirs or minor tanks was undertaken largely by village communities, the construction of large-scale irrigation reservoirs or major tanks was undertaken by the monarchs and upper tiers of the irrigation bureaucracy. Since the population was growing rapidly, there was a constant need to increase production of the staple food crop. Hence, under both schemes, large and small, the irrigated lowlands were planted to rice.

The large-scale reservoirs built in ancient times are located in various parts of the dry zone. The oldest medium-scale reservoir still in existence is Basavakkulama Wewa. Legend has it that this tank was built by Pandukabhaya, the first monarch of Anuradhapura, who reigned from 437 to 367 BCE. We may note that like Vijaya, Pandukabhaya is also viewed as a mythical figure by some modern historians. Tissa Wewa Anuradhapura was built in the 3rd century BCE by King Devanampiya Tissa (purported grandson of Pandukabhaya), who reigned from 250 to 210 BCE. Nuwara Wewa, the largest of the three major irrigation reservoirs in Anuradhapura, was built in the 1st century BCE by King Vattagamani Abhaya, also known as Walagamba, who ruled (for the second time) from 89 to 77 BCE.

From small to large tanks

Tissa Wewa, Tissamaharama, constructed by King Mahanaga (brother of Devanampiya Tissa) in the 3rd century BCE, is worthy of special mention due to its innovative design, which Henry Parker (Ancient Ceylon, 1909) described as something of an engineering marvel. What caught his attention was the unusual angle of the dam built across Kirindi Oya to divert water to Tissa Wewa. That the first oblique dam in the world was probably built in Sri Lanka (about 2,000 years before it appeared in Europe) is proof that the Sinhalese had developed advanced methods of dealing with large bodies of water in ancient times.

The Ruhuna (southern) kingdom, which was founded by Mahanaga in the early 3rd century BCE, carried on the irrigation engineering and religious architectural traditions of the Anuradhapura kingdom. Many large tanks, monasteries and shrines were built. But in respect of archaeological research, the Southern Province as a whole has received far less attention than the NCP.

The evolution from small to large tank systems was a gradual process nurtured by a civilization that possessed a sound practical understanding of the fundamentals of irrigation engineering. As R.L. Brohier observes (Ancient Irrigation Works, 1934), the island began embarking on large-scale hydraulic works about fifteen centuries before the Norman Conquest of England.

It is generally accepted that the first king to pioneer large-scale irrigation works on the island was Vasabha, who ruled Anuradhapura from 67 to 111 CE. According to historical records, several large reservoirs and irrigation canals were built by this monarch in support of rice cultivation. While the origins of minor tanks clearly predate the origins of major tanks, there is little doubt that after a certain point the spread of both systems occurred simultaneously. But it is likely that the construction of irrigation reservoirs in the dry zone (large or small) would have more or less ended with the collapse of the Polonnaruwa Kingdom in 1236.

The ingenuity of the ancient Sinhalese irrigation engineers is best reflected in the invention of a sluice called bisokotuwa in the 3rd century BCE, which has remained more or less unchanged since then. The bisokotuwa is the equivalent of the modern valve-pit, which helps regulate the outward flow of water. As stated by Parker, without this invention, the construction of reservoirs for storing water could never have extended beyond minor tanks. In his view, the large reservoirs built in ancient times still rank among the finest in the world.

Repeated South-Indian invasions led to turmoil in the Rajarata (NCP) and abandonment of the major tanks in the 13th century CE. Thanks to the British, who ruled the island from 1792 to 1948, most of these tanks were restored. Thousands of small village tanks, on the other hand, continued to function despite the demise of the Rajarata kingdom, albeit at a low survival level. The major tanks were managed by a centralized bureaucracy, which is why they fell into disuse when the kingdom collapsed. The small-tank system survived largely because its management was community-based. Even though the management practices of the local community-based organizations (as per minor tanks) were less sophisticated than those of the centralized bureaucracy (as per major tanks), they proved to be more sustainable.

Theocratic landscape

The views of Wittfogel, Leach, Gunawardana, and Coningham et al, as presented below, are briefly discussed in a study by Nuwan Abeywardana, Wiebke Bebermeiere, and Brigitta Schutt (Ancient Water Management and Governance until Abandonment, and the Influence of Colonial Politics during Reclamation, 2018). It was K.A. Wittfogel (Oriental Despotism: A Comparative Study of Total Power, 1959) who coined the terms ‘hydraulic empire’ and ‘oriental despotism’ to describe the system of water management and governance in ancient Egypt, Mesopotamia, China and Sri Lanka. In his view, this system was extremely centralized and despotic. E.R. Leach, however, argued that the Sri Lankan system, viewed in its entirety, was by no means despotic and accordingly presented an alternative model called “hydraulic oriental” feudalism, based on his premise that it was, in some respects, similar to European feudalism (Hydraulic Society in Ceylon, 1959).

A different interpretation is offered by Leslie Gunawardana (Irrigation and Hydraulic Society in Early Medieval Ceylon, 1971), who views the system in terms of dual patronage between monarchs and the local community, with the monasteries, who were in receipt of irrigation grants, playing the role of intermediaries. The grants had a dual purpose in that they were expected to make the monasteries self-sufficient and also empower them to become administrative and political centres.

This perspective is further developed by R. Coningham et al (The state of theocracy: Defining an early medieval hinterland in Sri Lanka, 2007), who coined the term “theocratic landscape” to describe the dual role of the larger monasteries in religious and secular administration. Perhaps the monasteries had to play this dual role to compensate for the absence of urban centres and lower-level administrative bodies in the hinterland. Whether the power and influence enjoyed by monastic institutions in the island’s ancient hydraulic civilization were so pervasive as to justify the use of the term “theocratic landscape” is a matter for debate.



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Indian Ocean Security: Strategies for Sri Lanka             

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During a recent panel discussion titled “Security Environment in the Indo-Pacific and Sri Lankan Diplomacy”, organised by the Embassy of Japan in collaboration with Dr. George I. H. Cooke, Senior Lecturer and initiator of the Awarelogue Initiative, the keynote address was delivered by Prof Ken Jimbo of Kelo University, Japan (Ceylon Today, February 15, 2026).

The report on the above states: “Prof. Jimbo discussed the evolving role of the Indo-Pacific and the emergence of its latest strategic outlook among shifting dynamics.  He highlighted how changing geopolitical realities are reshaping the region’s security architecture and influencing diplomatic priorities”.

“He also addressed Sri Lanka’s position within this evolving framework, emphasising that non-alignment today does not mean isolation, but rather, diversified engagement.     Such an approach, he noted, requires the careful and strategic management of dependencies to preserve national autonomy while maintaining strategic international partnerships” (Ibid).

Despite the fact that Non-Alignment and Neutrality, which incidentally is Sri Lanka’s current Foreign Policy, are often used interchangeably, both do not mean isolation.  Instead, as the report states, it means multi-engagement. Therefore, as Prof. Jimbo states, it is imperative that Sri Lanka manages its relationships strategically if it is to retain its strategic autonomy and preserve its security.  In this regard the Policy of Neutrality offers Rule Based obligations for Sri Lanka to observe, and protection from the Community of Nations to respect the  territorial integrity of Sri Lanka, unlike Non-Alignment.  The Policy of Neutrality served Sri Lanka well, when it declared to stay Neutral on the recent security breakdown between India and Pakistan.

Also participating in the panel discussion was Prof. Terney Pradeep Kumara – Director General of Coast Conservation and Coastal Resources Management, Ministry of Environment and Professor of Oceanography in the University of Ruhuna.

He stated: “In Sri Lanka’s case before speaking of superpower dynamics in the Indo-Pacific, the country must first establish its own identity within the Indian Ocean region given its strategically significant location”.

“He underlined the importance of developing the ‘Sea of Lanka concept’ which extends from the country’s coastline to its 200nauticalmile Exclusive Economic Zone (EEZ). Without firmly establishing this concept, it would be difficult to meaningfully engage with the broader Indian Ocean region”.

“He further stated that the Indian Ocean should be regarded as a zone of peace.     From a defence perspective, Sri Lanka must remain neutral.     However, from a scientific and resource perspective, the country must remain active given its location and the resources available in its maritime domain” (Ibid).

Perhaps influenced by his academic background, he goes on to state:” In that context Sri Lanka can work with countries in the Indian Ocean region and globally, including India, China, Australia and South Africa. The country must remain open to such cooperation” (Ibid).

Such a recommendation reflects a poor assessment of reality relating to current major power rivalry. This rivalry was addressed by me in an article titled “US – CHINA Rivalry: Maintaining Sri Lanka’s autonomy” ( 12.19. 2025) which stated: “However, there is a strong possibility for the US–China Rivalry to manifest itself engulfing India as well regarding resources in Sri Lanka’s Exclusive Economic Zone. While China has already made attempts to conduct research activities in and around Sri Lanka, objections raised by India have caused Sri Lanka to adopt measures to curtail Chinese activities presumably for the present. The report that the US and India are interested in conducting hydrographic surveys is bound to revive Chinese interests. In the light of such developments it is best that Sri Lanka conveys well in advance that its Policy of Neutrality requires Sri Lanka to prevent Exploration or Exploitation within its Exclusive Economic Zone under the principle of the Inviolability of territory by any country”  ( https://island.lk/us- china-rivalry-maintaining-sri-lankas-autonomy/).  Unless such measures are adopted, Sri Lanka’s Exclusive Economic Zone would end up becoming the theater for major power rivalry, with negative consequences outweighing possible economic gains.

The most startling feature in the recommendation is the exclusion of the USA from the list of countries with which to cooperate, notwithstanding the Independence Day message by the US Secretary of State which stated: “… our countries have developed a strong and mutually beneficial partnership built on the cornerstone of our people-to-people ties and shared democratic values. In the year ahead, we look forward to increasing trade and investment between our countries and strengthening our security cooperation to advance stability and prosperity throughout the Indo-Pacific region (NEWS, U.S. & Sri Lanka)

Such exclusions would inevitably result in the US imposing drastic tariffs to cripple Sri Lanka’s economy. Furthermore, the inclusion of India and China in the list of countries with whom Sri Lanka is to cooperate, ignores the objections raised by India about the presence of Chinese research vessels in Sri Lankan waters to the point that Sri Lanka was compelled to impose a moratorium on all such vessels.

CONCLUSION

During a panel discussion titled “Security Environment in the Indo-Pacific and Sri Lankan Diplomacy” supported by the Embassy of Japan, Prof. Ken Jimbo of Keio University, Japan emphasized that “… non-alignment today does not mean isolation”. Such an approach, he noted, requires the careful and strategic management of dependencies to preserve national autonomy while maintaining strategic international partnerships”. Perhaps Prof. Jimbo was not aware or made aware that Sri Lanka’s Foreign Policy is Neutral; a fact declared by successive Governments since 2019 and practiced by the current Government in the position taken in respect of the recent hostilities between India and Pakistan.

Although both Non-Alignment and Neutrality are often mistakenly used interchangeably, they both do NOT mean isolation.     The difference is that Non-Alignment is NOT a Policy but only a Strategy, similar to Balancing, adopted by decolonized countries in the context of a by-polar world, while Neutrality is an Internationally recognised Rule Based Policy, with obligations to be observed by Neutral States and by the Community of Nations.  However, Neutrality in today’s context of geopolitical rivalries resulting from the fluidity of changing dynamics offers greater protection in respect of security because it is Rule Based and strengthened by “the UN adoption of the Indian Ocean as a Zone of peace”, with the freedom to exercise its autonomy and engage with States in pursuit of its National Interests.

Apart from the positive comments “that the Indian Ocean should be regarded as a Zone of Peace” and that “from a defence perspective, Sri Lanka must remain neutral”, the second panelist, Professor of Oceanography at the University of Ruhuna, Terney Pradeep Kumara, also advocated that “from a Scientific and resource perspective (in the Exclusive Economic Zone) the country must remain active, given its location and the resources available in its maritime domain”.      He went further and identified that Sri Lanka can work with countries such as India, China, Australia and South Africa.

For Sri Lanka to work together with India and China who already are geopolitical rivals made evident by the fact that India has already objected to the presence of China in the “Sea of Lanka”, questions the practicality of the suggestion.      Furthermore, the fact that Prof. Kumara has excluded the US, notwithstanding the US Secretary of State’s expectations cited above, reflects unawareness of the geopolitical landscape in which the US, India and China are all actively known to search for minerals. In such a context, Sri Lanka should accept its limitations in respect of its lack of Diplomatic sophistication to “work with” such superpower rivals who are known to adopt unprecedented measures such as tariffs, if Sri Lanka is to avoid the fate of Milos during the Peloponnesian Wars.

Under the circumstances, it is in Sri Lanka’s best interest to lay aside its economic gains for security, and live by its proclaimed principles and policies of Neutrality and the concept of the Indian Ocean as a Zone of Peace by not permitting its EEC to be Explored and/or Exploited by anyone in its “maritime domain”. Since Sri Lanka is already blessed with minerals on land that is awaiting exploitation, participating in the extraction of minerals at the expense of security is not only imprudent but also an environmental contribution given the fact that the Sea and its resources is the Planet’s Last Frontier.

by Neville Ladduwahetty

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Protecting the ocean before it’s too late: What Sri Lankans think about deep seabed mining

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Far beneath the waters surrounding Sri Lanka lies a largely unseen frontier, a deep seabed that may contain cobalt, nickel and rare earth elements essential to modern technologies, from smartphones to electric vehicles. Around the world, governments and corporations are accelerating efforts to tap these minerals, presenting deep-sea mining as the next chapter of the global “blue economy.”

For an island nation whose ocean territory far exceeds its landmass, the question is no longer abstract. Sri Lanka has already demonstrated its commitment to ocean governance by ratifying the United Nations High Seas Treaty (BBNJ Agreement) in September 2025, becoming one of the early countries to help trigger its entry into force. The treaty strengthens biodiversity conservation beyond national jurisdiction and promotes fair access to marine genetic resources.

Yet as interest grows in seabed minerals, a critical debate is emerging: Can Sri Lanka pursue deep-sea mining ambitions without compromising marine ecosystems, fisheries and long-term sustainability?

Speaking to The Island, Prof. Lahiru Udayanga, Dr. Menuka Udugama and Ms. Nethini Ganepola of the Department of Agribusiness Management, Faculty of Agriculture & Plantation Management, together with Sudarsha De Silva, Co-founder of EarthLanka Youth Network and Sri Lanka Hub Leader for the Sustainable Ocean Alliance, shared findings from their newly published research examining how Sri Lankans perceive deep-sea mineral extraction.

The study, published in the journal Sustainability and presented at the International Symposium on Disaster Resilience and Sustainable Development in Thailand, offers rare empirical insight into public attitudes toward deep-sea mining in Sri Lanka.

Limited Public Inclusion

“Our study shows that public inclusion in decision-making around deep-sea mining remains quite limited,” Ms. Nethini Ganepola told The Island. “Nearly three-quarters of respondents said the issue is rarely covered in the media or discussed in public forums. Many feel that decisions about marine resources are made mainly at higher political or institutional levels without adequate consultation.”

The nationwide survey, conducted across ten districts, used structured questionnaires combined with a Discrete Choice Experiment — a method widely applied in environmental economics to measure how people value trade-offs between development and conservation.

Ganepola noted that awareness of seabed mining remains low. However, once respondents were informed about potential impacts — including habitat destruction, sediment plumes, declining fish stocks and biodiversity loss — concern rose sharply.

“This suggests the problem is not a lack of public interest,” she told The Island. “It is a lack of accessible information and meaningful opportunities for participation.”

Ecology Before Extraction

Dr. Menuka Udugama said the research was inspired by Sri Lanka’s growing attention to seabed resources within the wider blue economy discourse — and by concern that extraction could carry long-lasting ecological and livelihood risks if safeguards are weak.

“Deep-sea mining is often presented as an economic opportunity because of global demand for critical minerals,” Dr. Udugama told The Island. “But scientific evidence on cumulative impacts and ecosystem recovery remains limited, especially for deep habitats that regenerate very slowly. For an island nation, this uncertainty matters.”

She stressed that marine ecosystems underpin fisheries, tourism and coastal well-being, meaning decisions taken about the seabed can have far-reaching consequences beyond the mining site itself.

Prof. Lahiru Udayanga echoed this concern.

“People tended to view deep-sea mining primarily through an environmental-risk lens rather than as a neutral industrial activity,” Prof. Udayanga told The Island. “Biodiversity loss was the most frequently identified concern, followed by physical damage to the seabed and long-term resource depletion.”

About two-thirds of respondents identified biodiversity loss as their greatest fear — a striking finding for an issue that many had only recently learned about.

A Measurable Value for Conservation

Perhaps the most significant finding was the public’s willingness to pay for protection.

“On average, households indicated a willingness to pay around LKR 3,532 per year to protect seabed ecosystems,” Prof. Udayanga told The Island. “From an economic perspective, that represents the social value people attach to marine conservation.”

The study’s advanced statistical analysis — using Conditional Logit and Random Parameter Logit models — confirmed strong and consistent support for policy options that reduce mineral extraction, limit environmental damage and strengthen monitoring and regulation.

The research also revealed demographic variations. Younger and more educated respondents expressed stronger pro-conservation preferences, while higher-income households were willing to contribute more financially.

At the same time, many respondents expressed concern that government agencies and the media have not done enough to raise awareness or enforce safeguards — indicating a trust gap that policymakers must address.

“Regulations and monitoring systems require social acceptance to be workable over time,” Dr. Udugama told The Island. “Understanding public perception strengthens accountability and clarifies the conditions under which deep-sea mining proposals would be evaluated.”

Youth and Community Engagement

Ganepola emphasised that engagement must begin with transparency and early consultation.

“Decisions about deep-sea mining should not remain limited to technical experts,” she told The Island. “Coastal communities — especially fishers — must be consulted from the beginning, as they are directly affected. Youth engagement is equally important because young people will inherit the long-term consequences of today’s decisions.”

She called for stronger media communication, public hearings, stakeholder workshops and greater integration of marine conservation into school and university curricula.

“Inclusive and transparent engagement will build trust and reduce conflict,” she said.

A Regional Milestone

Sudarsha De Silva described the study as a milestone for Sri Lanka and the wider Asian region.

“When you consider research publications on this topic in Asia, they are extremely limited,” De Silva told The Island. “This is one of the first comprehensive studies in Sri Lanka examining public perception of deep-sea mining. Organizations like the Sustainable Ocean Alliance stepping forward to collaborate with Sri Lankan academics is a great achievement.”

He also acknowledged the contribution of youth research assistants from EarthLanka — Malsha Keshani, Fathima Shamla and Sachini Wijebandara — for their support in executing the study.

A Defining Choice

As Sri Lanka charts its blue economy future, the message from citizens appears unmistakable.

Development is not rejected. But it must not come at the cost of irreversible ecological damage.

The ocean’s true wealth, respondents suggest, lies not merely in minerals beneath the seabed, but in the living systems above it — systems that sustain fisheries, tourism and coastal communities.

For policymakers weighing the promise of mineral wealth against ecological risk, the findings shared with The Island offer a clear signal: sustainable governance and biodiversity protection align more closely with public expectations than unchecked extraction.

In the end, protecting the ocean may prove to be not only an environmental responsibility — but the most prudent long-term investment Sri Lanka can make.

By Ifham Nizam

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How Black Civil Rights leaders strengthen democracy in the US

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Jesse Jackson / Barack Obama

On being elected US President in 2008, Barack Obama famously stated: ‘Change has come to America’. Considering the questions continuing to grow out of the status of minority rights in particular in the US, this declaration by the former US President could come to be seen as somewhat premature by some. However, there could be no doubt that the election of Barack Obama to the US presidency proved that democracy in the US is to a considerable degree inclusive and accommodating.

If this were not so, Barack Obama, an Afro-American politician, would never have been elected President of the US. Obama was exceptionally capable, charismatic and eloquent but these qualities alone could not have paved the way for his victory. On careful reflection it could be said that the solid groundwork laid by indefatigable Black Civil Rights activists in the US of the likes of Martin Luther King (Jnr) and Jesse Jackson, who passed away just recently, went a great distance to enable Obama to come to power and that too for two terms. Obama is on record as owning to the profound influence these Civil Rights leaders had on his career.

The fact is that these Civil Rights activists and Obama himself spoke to the hearts and minds of most Americans and convinced them of the need for democratic inclusion in the US. They, in other words, made a convincing case for Black rights. Above all, their struggles were largely peaceful.

Their reasoning resonated well with the thinking sections of the US who saw them as subscribers to the Universal Declaration of Human Rights, for instance, which made a lucid case for mankind’s equal dignity. That is, ‘all human beings are equal in dignity.’

It may be recalled that Martin Luther King (Jnr.) famously declared: ‘I have a dream that one day this nation will rise up, live out the true meaning of its creed….We hold these truths to be self-evident, that all men are created equal.’

Jesse Jackson vied unsuccessfully to be a Democratic Party presidential candidate twice but his energetic campaigns helped to raise public awareness about the injustices and material hardships suffered by the black community in particular. Obama, we now know, worked hard at grass roots level in the run-up to his election. This experience proved invaluable in his efforts to sensitize the public to the harsh realities of the depressed sections of US society.

Cynics are bound to retort on reading the foregoing that all the good work done by the political personalities in question has come to nought in the US; currently administered by Republican hard line President Donald Trump. Needless to say, minority communities are now no longer welcome in the US and migrants are coming to be seen as virtual outcasts who need to be ‘shown the door’ . All this seems to be happening in so short a while since the Democrats were voted out of office at the last presidential election.

However, the last US presidential election was not free of controversy and the lesson is far too easily forgotten that democratic development is a process that needs to be persisted with. In a vital sense it is ‘a journey’ that encounters huge ups and downs. More so why it must be judiciously steered and in the absence of such foresighted managing the democratic process could very well run aground and this misfortune is overtaking the US to a notable extent.

The onus is on the Democratic Party and other sections supportive of democracy to halt the US’ steady slide into authoritarianism and white supremacist rule. They would need to demonstrate the foresight, dexterity and resourcefulness of the Black leaders in focus. In the absence of such dynamic political activism, the steady decline of the US as a major democracy cannot be prevented.

From the foregoing some important foreign policy issues crop-up for the global South in particular. The US’ prowess as the ‘world’s mightiest democracy’ could be called in question at present but none could doubt the flexibility of its governance system. The system’s inclusivity and accommodative nature remains and the possibility could not be ruled out of the system throwing up another leader of the stature of Barack Obama who could to a great extent rally the US public behind him in the direction of democratic development. In the event of the latter happening, the US could come to experience a democratic rejuvenation.

The latter possibilities need to be borne in mind by politicians of the South in particular. The latter have come to inherit a legacy of Non-alignment and this will stand them in good stead; particularly if their countries are bankrupt and helpless, as is Sri Lanka’s lot currently. They cannot afford to take sides rigorously in the foreign relations sphere but Non-alignment should not come to mean for them an unreserved alliance with the major powers of the South, such as China. Nor could they come under the dictates of Russia. For, both these major powers that have been deferentially treated by the South over the decades are essentially authoritarian in nature and a blind tie-up with them would not be in the best interests of the South, going forward.

However, while the South should not ruffle its ties with the big powers of the South it would need to ensure that its ties with the democracies of the West in particular remain intact in a flourishing condition. This is what Non-alignment, correctly understood, advises.

Accordingly, considering the US’ democratic resilience and its intrinsic strengths, the South would do well to be on cordial terms with the US as well. A Black presidency in the US has after all proved that the US is not predestined, so to speak, to be a country for only the jingoistic whites. It could genuinely be an all-inclusive, accommodative democracy and by virtue of these characteristics could be an inspiration for the South.

However, political leaders of the South would need to consider their development options very judiciously. The ‘neo-liberal’ ideology of the West need not necessarily be adopted but central planning and equity could be brought to the forefront of their talks with Western financial institutions. Dexterity in diplomacy would prove vital.

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