Cave diver floats in underground lake (IMAGE)
Caption
Cave diver Nadir Quarta floats in Lago dell'Orsa while waiting his turn to ascend to the cave entrance.
Credit
Dani Buchheister/Penn State
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND