United Nations High Commissioner for Refugees (UNHCR) Goodwill Ambassador Angelina Jolie and High Commissioner for Refugees Antonio Guterres present the Nansen prize to Yemen's Society for Humanitarian Solidarity and its founder, Nasser Salim Ali Al-Hamairy (not pictured) at a ceremony in Geneva October 3, 2011. Jolie made a surprise appearance on Monday night at the U.N. refugee agency's ceremony to honour the Yemeni aid group credited with rescuing thousands of desperate Somali and other African refugees who arrive in southern Yemen each year.[Photo/Agencies]