IN the three years 1971-73, some of the worst droughts in their history hit China's three northern provinces of Hopei, Honan and Shantung. In Hopei in 1972 the Haiho River dropped to a record low. In...
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IN the three years 1971-73, some of the worst droughts in their history hit China's three northern provinces of Hopei, Honan and Shantung. In Hopei in 1972 the Haiho River dropped to a record low. In...