Russian President Vladimir Putin (L, Front) welcomes Turkish President Recep Tayyip Erdogan (R, Front) prior to their meeting in Sochi, Russia, on Oct. 22, 2019. Russia and Turkey have adopted a joint memorandum on the situation in Syria after the talks between Russian President Vladimir Putin and his Turkish counterpart Recep Tayyip Erdogan in Sochi. According to the memorandum, Moscow and Ankara have agreed to deploy Russian and Syrian forces in zone of the Turkish operation in Syria starting from Wednesday. (Sputnik via Xinhua)