The UN Higher Commission for Refugees (UNHCR) special envoy Angelina Jolie (C) visits the Zaatari Refugee Camp near Mafraq, Jordan, on Jan. 28, 2018. The UN Higher Commission for Refugees (UNHCR) special envoy Angelina Jolie visited Zaatari refugee camp in Jordan on Sunday, calling for "a viable political settlement" to the Syrian crisis. (Xinhua/Mohammad Abu Ghosh)