- it's surely the most bizarre cave chamber in the world.
它可以说是世界上最奇异的厅洞
- And the walls had one further surprise.
而石壁上还有更惊人的发现
- Extremofile bacteria were found to be feeding on the rock itself.
嗜极细菌在岩壁上自我生长
- The discovery of life that exists without drawing any of its energy from the sun
生命彻底脱离太阳能量 却依然生存的现象
- shows us once again how complex and surprising the underground world can be.
再一次向我们展示了地底世界 是多么的复杂和惊人
- Each year explorers chart over a hundred miles of new cave passages.
每年 探险家们都会测绘 上百英里新的洞穴通道
- But with half the world's limestone still to be explored,
但世界上仍有一半石灰岩洞尚未被开发
来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 347 行