Outside the Antarctic
and Greenland there are not many places where a glacier flows right
into the sea. This is the case in Laguna San Rafael in Chilean
Patagonia. One can watch icebergs tumble into the water and float in
the lagoon. The unforgettable forget-me-not colour is supposedly
caused by oxygen trapped in the ice and squashed over millennia under
the weight of more and more new snow. Transparent ice is more
recently frozen water.
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