Afghan refugee children, swim in muddy water created from a broken water pipe, on the outskirts of Islamabad, Pakistan, Monday, June 17, 2013. Pakistan hosts over 1.6 million registered Afghans, the ... more 
Afghan refugee children, swim in muddy water created from a broken water pipe, on the outskirts of Islamabad, Pakistan, Monday, June 17, 2013. Pakistan hosts over 1.6 million registered Afghans, the largest and most protracted refugee population in the world, according to the U.N. refugee agency. (AP Photo/Muhammed Muheisen) less 
1 / 30
Associated Press | Photo By Muhammed Muheisen
Wed, Jun 19, 2013 2:18 AM EDT