A young woman refugee from Nigeria looks through a fence in Ngouboua, January 19, 2015. Refugees fleeing attacks by Islamist militant group Boko Haram continued to cross the border into neighbouring Chad on Monday. According to United Nations and government figures, some 20,000 Nigerians had fled to Chad, Niger and Cameroon in the two weeks prior to January 13 after their towns and villages were attacked. (Photo by Emmanuel Braun/Reuters)
