Scientific instruments measure dripping water inside a small grotto in an astonishing new cave system in Eastern Austria.
Dr Gina Moseley ascends a rope pitch inside Glocken Schacht, one of many cold caves in Tirol, Austria.
Lush green vegetation engulfs the entrance as Dr Gina Moseley climbs a rope out of the cave in Austria.
Unique marble inside Spannagel, a cave on the Hintertux Glacier above Mayrhofen, Austria.
Pure untouched formations inhabit crystal clear waters inside Katerloch cave Eastern Austria.
The Katerloch cave in Eastern Austria.
PhD student Susanne Brandstutter admires the unique marble inside Spannagel, a marble cave up on the Hintertux Glacier above Mayrhofen, Austria.