Raghu Rai, who covered the world's worst industrial disaster in Bhopal, India in 1984, has returned 17 years later to photograph the despair of those who survived, published in the book "Exposure" for Greenpeace International, 2002.

More than 20,000 persons have died since the deadly menthyl-iso-cyanate leaked from the multinational Union Carbide Corporation's pesticide formulation factory in Bhopal. As 40 tons of this deadly gas leaked from the plant and rained over the city of Bhopal in central India on the night of December 2nd,1984, an estimated 8,000 persons died within the first three...