Hoover Dam Hairpin 1 by james c. (vancouver bc) Taken atop the Hoover Dam Bridge.
http://flic.kr/p/z3SHbE
Hoover Dam, once known as Boulder Dam, is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Arizona and Nevada. Wikipedia
#hooverdam #coloradoriver #arizon #nevada
Sig Nordal 