A cave site containing fragile stone tools and pottery shards believed to be at least 4,000 years old was recently unearthed in Ngari Prefecture, Southwest China's Tibet Autonomous Region. 最近,一个洞穴遗址在中国西南部西藏自治区的阿里地区被发现,洞穴...
A cave site containing fragile stone tools and pottery shards believed to be at least 4,000 years old was recently unearthed in Ngari Prefecture, Southwest China's Tibet Autonomous Region. 最近,一个洞穴遗址在中国西南部西藏自治区的阿里地区被发现,洞穴...