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290-meter-deep sinkhole in central China's Hubei

Photo taken on May 17, 2018 shows plants inside a sinkhole in Xuan'en County, central China's Hubei Province. Due to the local Karst landscape and humid climate, a sinkhole more than 290 meters deep in Xuan'en has become home for various plants and animals. (Xinhua/Song Wen)

[ Editor: zyq ]