![](http://www.alamy.com/thumbs/6/9F1360CB-C5E9-406E-921A-55AEC06BDEFB/2B617XD.jpg)
Portuguese cave Grutas da Moeda. Underworld .
Size: 4436px × 2957px
Photo credit: © Serhiy Stakhnyk / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: ancient, architecture, attraction, beauty, cave, cavern, coin, colorful, cuevas, da, dark, darkness, deep, drach, earth, entrance, exploration, formations, fossils, geological, geology, grotto, gruta, hole, landscape, light, limestone, minerals, moeda, monument, mountain, mysterious, natural, nature, portugal, rock, speleology, stalactite, stalagmites, stone, tourism, tourist, travel, tunnel, underground, water, wet