Special envoy of the UN High Commissioner for Refugees, US actress Angelina Jolie walks under the rain as she arrives for a press conference at a Syrian refugee camp near the city of Zahle in Lebanon's Bekaa Valley on March 15, 2016 (AFP)

Special envoy of the UN High Commissioner for Refugees, US actress Angelina Jolie speaks during a press conference under the rain as part of her visit at a Syrian refugee camp near the city of Zahle in Lebanon's Bekaa Valley on March 15, 2016 (AFP)

United Nations High Commissioner for Refugees (UNHCR) Special Envoy Angelina Jolie reacts as it rains during a news conference during her visit to Syrian refugees in the Bekaa valley, Lebanon March 15, 2016 (Reuters)

U.S. actress Angelina Jolie, left, Special Envoy of the United Nations High Commissioner for Refugees, speaks during a press conference during her visit to a Syrian refugee camp, in the eastern city of Zahleh, Lebanon, Tuesday, March 15, 2016 (AP)

U.S. actress Angelina Jolie, left, Special Envoy of the United Nations High Commissioner for Refugees, speaks during a press conference at a Syrian refugee camp, in the eastern city of Zahleh, Lebanon, Tuesday, March 15, 2016 (AP)

U.S. actress Angelina Jolie, left, Special Envoy of the United Nations High Commissioner for Refugees, speaks during a press conference at a Syrian refugee camp, in the eastern city of Zahleh, Lebanon, Tuesday, March 15, 2016 (AP)

U.S. actress Angelina Jolie, Special Envoy of the United Nations High Commissioner for Refugees, leaves an informal Syrian refugee camp, in the eastern city of Zahleh, Lebanon, Tuesday, March 15, 2016 (AP)

United Nations High Commissioner for Refugees (UNHCR) Special Envoy Angelina Jolie walks with a girl as she visits Syrian refugees in the Bekaa valley, Lebanon March 15, 2016 (Reuters)

United Nations High Commissioner for Refugees (UNHCR) Special Envoy Angelina Jolie (L) speaks at a news conference during a visit to Syrian refugees in the Bekaa valley, Lebanon March 15, 2016 (Rueters)

United Nations High Commissioner for Refugees (UNHCR) Special Envoy Angelina Jolie visits Syrian refugees in the Bekaa valley, Lebanon March 15, 2016 (Reuters)