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The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) is an ancient irrigation system spanning the island of Sri Lanka. It is a network of thousands of small irrigation tanks ( Sinhala : වැව , romanized: wewa ) draining to large reservoirs that store rainwater and surface runoff for later use.
The irrigation works in ancient Sri Lanka were some of the most complex irrigation systems of the ancient world. The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya , and were under continuous development for the next thousand years.
Yodha Ela functions in a way of a moving reservoir because of its single banking aspect which is different from the present day double banking irrigation canals'. It feeds water in an area of 470 km 2 (180 sq mi) feeding 4,630 ha (11,400 acres) of paddy lands and 120 small tanks on its way from Kala Wewa to Tissa Wewa [7]
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name = Sri Lanka Name used in the default map caption; image = Sri Lanka adm-2 location map.svg The default map image, without "Image:" or "File:" image1 = Sri Lanka rel-2 location map.svg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 10.2 Latitude at top edge of map ...
Tissa Wewa is a reservoir in Tissamaharama, thought to have been constructed in the 3rd century BC, either by Mahanaga of Ruhuna or his successor Yatala Tissa of Ruhuna, in order to irrigate paddy lands and supply water to the flourishing city of Tissamaharama.
"Sesame Street" has been gentrified. After 45 seasons, the brick walls that once fenced in the neighborhood have been razed, giving way to sweeping views of what looks suspiciously like the Brooklyn Bridge (it is in fact a composite of three New York City bridges).
Giant's Tank (Tamil: கட்டுக்கரை குளம், romanized: Kaṭṭukkarai Kuḷam; Sinhala: යෝධ වැව Yōdha Væva) is an irrigation tank in northern Sri Lanka, approximately 10 mi (16 km) south east of Mannar.