Afghan refugees shear wool off the sheep in suburban Islamabad

A Afghan refugee man holds a sheep while another uses a scissor to shear the wool off the sheep, in a field on the outskirts of Islamabad, Pakistan, Monday, April 22, 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>