Pakistani children wait to be moved onto a U.S. Army CH-60 Black Hawk helicopter. Pakistani children wait to be moved onto a U.S. Army CH-60 Black Hawk helicopter for evacuation in Khyber-Pakhtunkhwa province, Pakistan, on Sept. 13, 2010. The flood affected nearly 20 million Pakistanis forcing many from their homes. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 194048-C-WRP59-582.jpg Photo Gallery