landform, Vermilion Cliffs National Monument 地貌, 红崖国家保护区/ 紅崖國家保護區

Arizona's Vermilion Cliffs National Monument,  亞利桑那紅崖國家保護區

Photograph by Richard Barnes, National Geographic
The Wave is the most famous landform in Arizona's Vermilion Cliffs National Monument, a little-known 300,000 acres of rugged terrain. Flash floods carved this passage through petrified sand dunes, exposing the iron-rich bands.
Vermilion Cliffs National Monument -- Travel 365 -- National Geographic http://travel.nationalgeographic.com/travel/365-photos/vermilion-cliffs-national-monument-arizona/

Vermilion Cliffs National Monument - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Vermilion_Cliffs_National_Monument
美国红崖国家保护区（Vermilion Cliffs National Monument）http://site.douban.com/144165/widget/notes/7099629/note/204062040/
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