Russian President Vladimir Putin (L) and Turkish President Recep Tayyip Erdogan arrive to deliver a press conferance in Istanbul on October 10, 2016.
Russia and Turkey on October 11 signed an agreement to build a gas pipeline under the Black Sea, as President Vladimir Putin and Turkish counterpart Recep Tayyip Erdogan vowed to intensify relations after a bitter crisis.
/ AFP PHOTO / OZAN KOSEOZAN KOSE/AFP/Getty Images
