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FEILONG, CHONGQING, CHINA - NOVEMBER 2: (CHINA OUT) A Chinese villager drinks from a well on November 2, 2004 at Longshi, Chongqing, China. A group of eight cancer specialists were dispatched to the village by Chongqing municipality health authorities after 17 of the 500 villagers were diagnosed with different cancers for the last three years, and 14 of them died. The specialists, investigating the cause of the illness, are suspecting the water supplies. (Photo by China Photos/Getty Images)

FEILONG, CHONGQING, CHINA - NOVEMBER 2: (CHINA OUT)  A Chinese villager drinks from a well on November 2, 2004 at Longshi, Chongqing, China. A group of eight cancer specialists were dispatched to the village by Chongqing municipality health authorities after 17 of the 500 villagers were diagnosed with different cancers for the last three years, and 14 of them died. The specialists, investigating the cause of the illness, are suspecting the water supplies. (Photo by China Photos/Getty Images)