Ancient lake cascade systems (ACS) for climate resilience in Sri Lanka It’s a misnomer to introduce Sri Lanka ancient lakes as lakes, tanks, or resoviors!  An equivalent man-made creation does not exists. So here I call it Wawu or Wawa (singular). English pronunciation: WA-wu and Wa-wo (singular). 1: The very purpose of the ACS was the sustainability not … Continue reading කාලගුණ විපර්යාස හමුවේ වැව් වලින් ඉටු වන මෙහෙය