![](http://www.alamy.com/thumbs/6/1B22D990-9363-4B53-9154-0482C673DD0C/M4Y5J5.jpg)
Park ranger leads guided tour of Lehman Caves in Great Basin National Park.
Size: 3264px × 4928px
Location: Great Basin National Park, Nevada, USA
Photo credit: © Sandra Foyt / Alamy / Afripics
License: Royalty Free
Model Released: No
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