![](http://www.alamy.com/thumbs/6/36D07C76-9704-4E13-B257-3B21ABA81DCE/FGNY4X.jpg)
Haew Su thad waterfall with tunnel at Khao Yai national park, Thailand
Size: 4223px × 2810px
Location: Nakhon Ratchasima, Thailand
Photo credit: © vasin leenanuruksa / Alamy / Afripics
License: Royalty Free
Model Released: None
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