![](http://www.alamy.com/thumbs/6/04A7951E-2EBF-42EF-A757-563CA70ED9D5/2R1Y5JT.jpg)
Bulak cave in Safranbolu. It is a natural wonder with its stalagmites, stalactites, travertines, ponds and underground water source.
Size: 4256px × 2832px
Photo credit: © şaban uluca / Alamy / Afripics
License: Royalty Free
Model Released: No
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