倒数第2张照片显示，西藏山上的土层非常薄，海拔4310米。

来源: yanshengjiang 于 2020-07-24 04:15:12 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.