Russian president Vladimir Putin work trip to Sochi. Russian minister of defense Sergey Shoygu (right) during the Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Turkish president Recep Tayyip Erdogan (right) and Russian president Vladimir Putin (left) during the meeting in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of defense Sergey Shoygu during the Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) meeting with Turkish president Recep Tayyip Erdogan (left) in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) meeting with Turkish president Recep Tayyip Erdogan (left) in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) meeting with Turkish president Recep Tayyip Erdogan (left) in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) meeting with Turkish president Recep Tayyip Erdogan (left) in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of finance Anton Siluanov during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of economic development Maxim Oreshkin (center) and Russian minister of energy Alexandr Novak (right) during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of economic development Maxim Oreshkin (left) and Russian minister of energy Alexandr Novak (right) during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of economic development Maxim Oreshkin (left) and Russian minister of energy Alexandr Novak (right) during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. From left to right: Russian minister of economic development Maxim Oreshkin, Russian minister of energy Alexandr Novak and Russian minister of finance Anton Siluanov during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of finance Anton Siluanov (right) and Russian minister of energy Alexandr Novak (center) during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian minister of defense Sergey Shoygu (left) and Russian minister of foreign affairs Sergey Lavrov (right) during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) and Turkish president Recep Tayyip Erdogan (left) during the press conference in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) and Turkish president Recep Tayyip Erdogan (left) during the press conference in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Turkish minister of foreign affairs Mevlut Cavosoglu during Russian president Vladimir Putin meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) during the meeting with Turkish president Recep Tayyip Erdogan in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) and Turkish president Recep Tayyip Erdogan (left) during the press conference in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Turkish president Recep Tayyip Erdogan during the press conference after meeting with Russian president Vladimir Putin in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. From left to right: Turkish minister of national defense Khulusi Akar, Turkish president Recep Tayyip Erdogan, Russian minister of defense Sergey Shoygu and Russian president Vladimir Putin during the signing ceremony in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) with Turkish president Recep Tayyip Erdogan (left) during the press conference in Bocharov Ruchey residence.

Russian president Vladimir Putin work trip to Sochi. Russian president Vladimir Putin (right) with Turkish president Recep Tayyip Erdogan (left) during the press conference in Bocharov Ruchey residence.

Working visit of Russian president Vladimir Putin to Sochi. Russian Minister of Defense Sergey Shoigu during the meeting of Russian president Vladimir Putin with Turkish President Recep Tayyip Erdogan in Bocharov Ruchei residence.

Working visit of Russian president Vladimir Putin to Sochi. Russian Minister of Energy Alexander Novak (left) and First Deputy Prime Minister of Russia - Finance Minister Anton Siluanov (right) during the meeting of Russian president Vladimir Putin with Turkish President Recep Tayyip Erdogan in Bocharov Ruchei residence.

Working visit of Russian president Vladimir Putin to Sochi. Russian president Vladimir Putin (left) and Turkish President Recep Tayyip Erdogan (right) in Bocharov Ruchei residence.

Working visit of Russian president Vladimir Putin to Sochi. Left to right: Russian Minister of Energy Alexander Novak; Dmitry Peskov, Deputy Chief of Staff of the Presidential Executive Office, Presidential Press Secretary; Anton Siluanov, First Deputy Chairman of the Russian Government - Minister of Finance of Russia; and Minister of Foreign Affairs of Russia Sergey Lavrov during the meeting of Russian president Vladimir Putin with Turkish President Recep Tayyip Erdogan in Bocharov Ruchei residence.