这条海底河流很多地方深达115英尺，甚至还有着和它陆地上的同类们非常相似的湍流和落瀑。
The undersea river, which is up to 115ft deep in places, even has rapids and waterfalls much like its terrestrial equivalents.
从悬瀑到峡湾，从雨林到山峰，从淡水湖再到火山，让我们一起去探索地球上的梦幻美景，发掘我们生存的星球的多姿多彩。
From waterfalls to fjords, rainforests to mountain peaks, freshwater lakes to volcanoes, we are discovering together the incredible beauty and variety of our planet.
攀冰是用冰镐在冰瀑上攀爬的运动。
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