NORTHERN Shaanxi province is located on a part of China's Loess Plateau. The soil here is ochre-colored and clay-like. For centuries its inhabitants have dug their houses out of the earth on the...
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NORTHERN Shaanxi province is located on a part of China's Loess Plateau. The soil here is ochre-colored and clay-like. For centuries its inhabitants have dug their houses out of the earth on the...