More than 30 million Chinese people live in caves, many of them in Shaanxi province where the Loess plateau, with its distinctive cliffs of yellow, porous soil, makes digging easy and cave dwelling a reasonable option.
Each of the province’s caves, yaodong, in Chinese, typically has a long vaulted room dug into the side of a mountain with a semicircular entrance covered with rice paper or colorful quilts. People hang decorations on the walls, often a portrait of Mao Tse-tung or a photograph of a movie star torn out of a glossy magazine.
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