četvrtak, 4. lipnja 2015.

Natural wonders - Ice cave Vatnajokull (Iceland)

Natural wonders - Ice cave Vatnajokull (Iceland)

This glacier cave has been excavated by a hot spring underneath a snow field in south central Iceland, a country where such formations are common due to the high geothermal and volcanic activity, plus the high latitude, cold weather, and frequent snowfall.

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