The flat sands of the Ganges delta have made the fishing beaches of Chittagong in Bangladesh an ideal place forthe hazardous, polluting work of breaking up decommissioned freighters for scrap. The massive chunks of steel and the crude oil residue concern Western environmentalists, but for the local population this is a highly important source of labour, and a valuable resource of recycled materials. Noah Richler travels with Canadian art photographer Ed Burtynsky to this provincial seaport. Producer Noah Richler