20.08.2007, San Francisco, California, United States of America - An American flag and facades of skyscrapers in the background. 00P070820D500CAROE.JPG [MODEL RELEASE: NOT APPLICABLE, PROPERTY RELEASE: NO (c) caro images / Andreas 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!]