![](http://www.alamy.com/thumbs/6/32B274A2-F40C-4099-B77D-E51FD6E128DC/BYAJ1W.jpg)
Petnicka Pecina Cave Petnica Hole on top
Size: 3744px × 5616px
Photo credit: © Serbia Pictures: Adam Radosavljevic / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: abstract, ancient, archeology, cave, concept, confusion, dark, exit, fireplace, formation, geology, grotto, hell, history, hole, labyrinth, light, lost, maze, mining, mystery, natural, nature, needle, paleontology, pecina, petnica, petnicka, pećina, phenomenon, pin, place, prehistoric, rock, rough, serbia, sharp, space, stalactite, stalagmite, stone, tube, tunnel, underground, valjevo