![](http://www.alamy.com/thumbs/6/567ED144-E1EC-4C7D-BA5A-C37F41C19ACC/KAF5W9.jpg)
Limestone formations in Grutas da Moeda Cave. Fatima, Portugal
Size: 6000px × 4000px
Photo credit: © Andrei Nekrassov / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: cave, caverns, coin, da, dark, europe, european, fatima, formation, galleries, geologic, geological, geology, grotto, ground, grutas, hole, interior, lake, lamp, landscape, limestone, mineral, moeda, mountain, natural, nature, portugal, portuguese, river, rock, speleology, stalactite, stalagmite, stone, travel, tunnel, underground, water, yellow