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藏科研信息集束 青藏高原发现2万年前旧石器 据《青海日报》去年7月报道,可可西里乌兰乌拉湖发现
Tibetan scientific research information bundles found in the Qinghai-Tibet Plateau 20000 years ago, the Paleolithic According to “Qinghai Daily” reported in July last year, found in Hoh Xil Ulan Lake