Trees surround a chemical tank at the abandoned former Union Carbide pesticide plant in Bhopal November 14, 2014. On the night of December 2, 1984, the factory owned by the U.S. multinational Union Carbide Corporation accidentally leaked cyanide gas into the air, killing thousands of largely poor Indians in the central city of Bhopal. REUTERS/Danish Siddiqui (INDIA - Tags: BUSINESS INDUSTRIAL ENVIRONMENT HEALTH DISASTER AGRICULTURE)

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