BETWEEN 1921, when the phenomenon was first noticed, and 1965, the land in Shanghai, located on China's east coast, had sunk 2.37 meters in some parts of its urban districts, forming a saucer-shaped...
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BETWEEN 1921, when the phenomenon was first noticed, and 1965, the land in Shanghai, located on China's east coast, had sunk 2.37 meters in some parts of its urban districts, forming a saucer-shaped...