An aerial photograph, taken Oct 8, 2011, shows a massive land collapse, landslide and sinkholes in Xiaoyi, Shanxi province. Yuan Chunqing, a deputy of the National People's Congress and Party chief of Shanxi, said the province will conduct monitoring of sinkholes in coal mining areas at a cost of 24 billion yuan. The whole project is due to be finished by 2020. [Photo/Xinhua]
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