-- AFP PICTURES OF THE YEAR 2015 -- US Secretary of State John Kerry looks out of the window of his room at the Beau-Rivage Palace hotel during a break in Iran nuclear talks in Lausanne, Switzerland, on April 1, 2015. Iran's chief nuclear negotiator Abbas Araghchi said on April 1 that "problems" remain in nuclear talks with world powers and that there can be no deal without a "framework for the removal of all sanctions". AFP PHOTO / FABRICE COFFRINI