TOPSHOTS A Yemeni man bows down after arriving at the airport in the southern Yemeni city of Aden on August 6, 2015 on the first civilian aircraft to land in Yemen's second city in more than four months. The Yemenia flight from Djibouti brought home 158 Yemenis who had fled fierce fighting between Iran-backed Shiite Huthi rebels and forces loyal to the exiled government of President Abedrabbo Mansour Hadi. AFP PHOTO / SALEH AL-OBEIDI