![](http://www.alamy.com/thumbs/6/A7A0D5BB-2BF5-4D3A-A16E-705C50A246A8/MN4R7F.jpg)
Grapevine Hills rock formations, Big Bend National Park, USA
Grapevine Hills rock formations, Big Bend National Park, Texas, USA
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Photo credit: © reisegraf.ch / Alamy / Afripics
License: Royalty Free
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