Chennai, the city where the drought is visible from space.

Millions of people in the southern Indian city of Chennai are fighting against the melting of taps.

Trains and trucks bring water to the residents, but that costs money.

Environmentalists warn that this is a problem that may soon affect many other countries.

Produced by Varun Nayar and Kunal Sehgal.

Report by Rajini Vaidyanathan.

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