close up in the inside of an ice cave in matanuska glacier, alaska. snowflakes on the ceiling.

alaska anchorage cave cavern cavity ceiling chugach chugiak close cold cooling crystals cyclical detail details durmitor eagle eisriesenwelt erebus freezer frost frozen glacier glenn holidays ice icicles inside intrusions low marine matanuska melt mendenhall mount nature needle outdoor palmer park permafrost ponded prince river snow snowflakes sound speleology spencer stalactite stone surface taken temperature texture transparent travel trek underwater water william winter worthington