Women place posters along the walls of the closed [Getty Images]

BHOPAL, INDIA: Women place posters along the walls of the closed down Union Carbide plant 01 December 1999 in Bhopal, India to mark the 15th anniversary of the world's worst industrial accident. Nearly 7,000 people died as a result of a poisonous gas leak at the factory on the night of December 2-3 1984. AFP PHOTO/RAVEENDRAN (Photo credit should read RAVEENDRAN/AFP via Getty Images)

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