THE plain of the Han River, including the cities of Chaochow and Swatow in eastern Kwangtung province, is one of the most heavily populated areas in China. With very little arable land per capita,...
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THE plain of the Han River, including the cities of Chaochow and Swatow in eastern Kwangtung province, is one of the most heavily populated areas in China. With very little arable land per capita,...