5/42 The conical ball weighs a little more than four ounces. This tank or lake is, like most others in Ceylon, the result of vast labour in past ages. Valleys were closed in by immense dams of solid masonry, which, checking the course of the rivers, formed lakes of many miles in extent. These were used as reservoirs for the water required for the irrigation of rice lands. The population who effected these extensive works have long since passed away; their fate is involved in mystery. |