The people of the fan-shaped Indus Delta, where the Indus River meets the Arabian Sea, are among the poorest of the poor, mostly illiterate and living in wooden shacks on the mud flats. As seawater has washed into the delta, destroying thousands of hectares of fertile land and contaminating underground water channels, they survive by fishing in the saltwater creeks where dolphins are a common sight.

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Photo credit: Indus Delta seen from the space / NASA.