![](http://www.alamy.com/thumbs/6/DA14D9C2-09C6-42D6-BBA3-560F2BCEE090/JJGF2Y.jpg)
Jan (left) and Robert Hahn look out for bats as they explore a natural limestone cave used by past residents of Muang Ngoi, Laos as a bomb shelter during the bombing raids of the Secret War.
Size: 5616px × 3744px
Location: Muang Ngoi, Phongsaly, Laos
Photo credit: © Ethan Welty / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: adventure, cave, courage, curiosity, danger, dark, electric, exploring, geology, indoors, laos, light, limestone, muang, nature, ngoi, people, person, phongsaly, rock, scene, silhouette, silhouettes, spelunking, unrecognizable, urban