05.08.2007, Boulder City, Nevada, United States of America - Hoover Dam on the border between the states of Arizona and Nevada. 00P070805D057CAROE.JPG [MODEL RELEASE: NOT APPLICABLE, PROPERTY RELEASE: NO (c) caro images / Muhs, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]