Turkish Prime Minister Yildirim and his Russian counterpart Medvedev wave as they pose for a group photo...
Turkish Prime Minister Binali Yildirim and his Russian counterpart Dmitry Medvedev wave as they pose for a group photo during the 25th anniversary summit of the Organisation of the Black Sea Economic Cooperation (BSEC) in Istanbul, Turkey, May 22, 2017. REUTERS/Murad Sezer