Waterfall in green forest in jungle at Phu Tub Berk mountain,Phetchabun, Thailand
Great Pyramid, Uxmal, an ancient Maya city of the classical period, Mérida, Yucatán, Mexico
A wooden bridge in El Yunque National Forest, Puerto Rico
Erawan waterfall with fish pond in Erawan National Park, Kanchanaburi Province, Thailand
Xiaoqikong ancient bridge natural scenery, Libo, Guizhou, China
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