With so much rain, it's not surprising that many of the worlds largest rivers are found in rainforests. 有这么多的降水量 世界上多数的大河都在雨林里产生也就不足为奇了
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
lies one of the longest, deepest and most surprising caves in the world. 存在着一座世界上最长、最深 也最令人惊奇的洞穴