Presidents of Russia, Turkey and Iran meet in Ankara [Getty Images]

ANKARA, TURKEY - APRIL 4: (RUSSIA OUT) Turkish President Recep Tayyip Erdogan gestures during a joint press conference at the presidential palace on April 4, 2018 in Ankara, Turkey. Russian President Vladimir Putin is on a two-day state visit to Turkey. (Photo by Mikhail Svetlov/Getty Images)

Getty Images News Mikhail Svetlov