SANA'A, YEMEN - APRIL 07: Yemeni displaced children who with their families fled homes due to the ongoing war enjoy riding a damaged car outside their makeshift shelter at an internally displaced camp on April 07, 2018 outskirts of Sana'a, Yemen. More than three million people fled their homes since the war erupted on March 2015. (Photo by Mohammed Hamoud/Getty Images)
SANA'A, YEMEN - APRIL 07: Yemeni displaced sisters who fled their homes due to the ongoing war sit outside their makeshift shelter at an internally displaced camp on April 07, 2018 outskirts of Sanaa, Yemen. More than three million people fled their homes since the war erupted on March 2015. (Photo by Mohammed Hamoud/Getty Images)
SANA'A, YEMEN - APRIL 07: A Yemeni little girl, who with her family fled their home due to the ongoing war, walks outside her family's makeshift shelter as she carries jerry cans to be filled with water at an internally displaced camp on April 07, 2018 outskirts of Sana'a, Yemen. More than three million people fled their homes since the war erupted on March 2015. (Photo by Mohammed Hamoud/Getty Images)
SANA'A, YEMEN - APRIL 07: A Yemeni woman, who fled her home due to the ongoing war, sits outside her makeshift shelter at an internally displaced camp on April 07, 2018 outskirts of Sana'a, Yemen. More than three million people fled their homes since the war erupted on March 2015. (Photo by Mohammed Hamoud/Getty Images)
SANA'A, YEMEN - APRIL 07: A Yemeni woman, who fled her home due to the ongoing war, walks as she carries her baby outside her makeshift shelter at an internally displaced camp on April 07, 2018 outskirts of Sana'a, Yemen. More than three million people fled their homes since the war erupted on March 2015. (Photo by Mohammed Hamoud/Getty Images)
