With filtration layers of river pebbles, charcoal and fine sand, N Arunachalam conserves thousands of litres of water that meets the drinking and cooking demands of his family every year
These water tanks were once used by priests in the temples to draw water for the first pooja of the day. But over the years they had turned into garbage dumps.
Shaped like aeroplanes, ships, kangaroos and more – water tanks on the roofs of several houses in Punjab are not mere concrete structures to store water, but more of creative figures with emotional values attached to them.