nuwara wewa of the ancient anuradhapura kingdom

lake reservoir sea reflection hill shore coast mountain horizon water tree landscape nature kandy nuwara wewa ancient anuradhapura kingdom largest reservoirs basawakkulama abaya tissa built king vattagamini valagamba ceylon abayagiriya stupa tank repairs embankment bund miles hectares dam malwathu oya large rocks canal wewa water rocks temple cow grass