National Geographic Travelのインスタグラム(natgeotravel) - 12月27日 18時32分

Photo by @shonephoto (Robbie Shone) // This ice filled gallery inside Eisriesenwelt ice cave above Werfen near Salzburg in Austria, forms one of several field sites used by the University of Innsbruck for climate research. Mountain regions respond sensitively to climate change. Ice caves form through a combination of snow intrusion and/or congelation of water infiltrating a karst system.

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