A boy climbs up a salt storage of a salt producing factory at Chaka Lake in west China's Qinghai province...
A boy climbs up a salt storage of a salt producing factory at Chaka Lake in west China's Qinghai province May 5, 2007. Chaka Lake, holy to ethnic Tibetans, is shrinking, hit by decreased rainfall and desertification partly caused by overgrazing. REUTERS/Simon Zo (CHINA)