1945
Volume 2023, Issue 3
  • E-ISSN: 22203583

Abstract

2016 年,在中国广西壮族自治区百 色市乐业县,我和我的团队缘绳而下, 来到了地下 600 米深处的大石围天坑 底 部。“ 天 坑” 的 意 思 是“ 玄 妙 的 深 坑”,是指在碳酸盐岩层中经过数百万 年逐渐形成的带有陡峭岩壁的巨型陷 坑状负地形。

Countries: China

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