ON a successful climb to the 5,500-metre virgin peak of Yulung (Jade Dragon) Mountain in northwest Yunnan, scientists of Peking's Geology Institute last month found coral fossils at a height of 4,000...
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ON a successful climb to the 5,500-metre virgin peak of Yulung (Jade Dragon) Mountain in northwest Yunnan, scientists of Peking's Geology Institute last month found coral fossils at a height of 4,000...