Libya's Prime Minister Fayez al-Sarraj of the U.N.-backed government, left, and General Khalifa Hifter of the Egyptian-backed commander of Libya's self-styled national army shake hands as France's President Emmanuel Macron stands between after a declaration at the Chateau of the La Celle-Saint-Cloud, west of Paris, France, Tuesday, July 25, 2017. (AP Photo/Michel Euler)