冰，冰，崩塌(Ice, ice, caving)

这片冰雪之地拥有无数自然奇观，比如这些在冰川冰中形成的明亮的蓝色洞穴。（冰川洞穴通常被称为冰洞，但后一个术语被恰当地用来描述含有全年冰的基岩洞穴。）这些冰川洞穴大多位于冰岛东南边缘的瓦特纳库尔冰川，该冰川覆盖了该岛国约8%的面积，是欧洲最大的冰川之一。
原文：
The land of fire and ice is home to countless natural wonders, like these brilliant blue caves formed within the ice of a glacier. (Glacier caves are often called ice caves, but the latter term is properly used to describe bedrock caves that contain year-round ice.) Most of these glacier caves are on the southeastern edge of Iceland in Vatnajökull glacier, which covers about 8% of the island nation and is one of the largest glaciers in Europe.
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