4,000-year-old cave site unearthed on Tibetan plateau - Xinhua | English.news.cn - Xinhua

4,000-year-old cave site unearthed on Tibetan plateau - Xinhua | English.news.cn  Xinhua

LHASA, Jan. 3 (Xinhua) -- A cave site containing delicate stone tools and pottery shards believed to be at least 4,000 years old was unearthed in Ngari ...

http://bit.ly/2An9zlJ