ZHAO JIAN, a reporter for Sichuan Daily, visited Takengba Mountain in Tibet and describes the rock carvings left there by a prehistoric civilization.ROCK CARVINGS cut with stone tools by a...
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ZHAO JIAN, a reporter for Sichuan Daily, visited Takengba Mountain in Tibet and describes the rock carvings left there by a prehistoric civilization.ROCK CARVINGS cut with stone tools by a...