Abhaya Wewa
Abhaya Wewa (Sinhalese: අභය වැව), historically Abhayavapi (Sinhalese: අභයවාපි) or Bassawakkulama reservoir, is a reservoir in Sri Lanka, built by King Pandukabhaya who ruled in Anuradhapura from 437 BC to 367 BC, after constructing the city. It was constructed in 380 BC. The dam of the reservoir is 10 m high.