Russian President Vladimir Putin (C-L) shakes hands with President of Turkey Recep Tayyip Erdogan (C-R) during an official welcoming ceremony at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
Russian President Vladimir Putin (L) shakes hands with President of Turkey Recep Tayyip Erdogan (R) following an official welcoming ceremony at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
President of Turkey Recep Tayyip Erdogan (6th R) chairs an inter-delegation meeting with Russian President Vladimir Putin (5th L) at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
Russian President Vladimir Putin (L) and President of Turkey Recep Tayyip Erdogan (R) hold a press conference after their meeting at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
Russian President Vladimir Putin and President of Turkey Recep Tayyip Erdogan hold a press conference after their meeting at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Mehmet Ali Özcan - Anadolu Agency )
Russian President Vladimir Putin (R) is bid farewelled by President of Turkey Recep Tayyip Erdogan (L) after their meeting at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
Russian President Vladimir Putin (L) shakes hands with President of Turkey Recep Tayyip Erdogan (R) following an official welcoming ceremony at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )
President of Turkey Recep Tayyip Erdogan (R) bid farewells Russian President Vladimir Putin (L) after their meeting at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Turkish Presidency / Murat Cetinmuhurdar - Anadolu Agency )
ANKARA, TURKEY - DECEMBER 12 : Russian President Vladimir Putin (C) arrives at Esenboga International Airport in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey as he was invited by President of Turkey Recep Tayyip Erdogan. ( Emin Sansar - Anadolu Agency )
Russian President Vladimir Putin (L) shakes hands with President of Turkey Recep Tayyip Erdogan (R) during an official welcoming ceremony at Presidential Complex in Ankara, Turkey on December 11, 2017. Putin is on a one day trip to Turkey. ( Kayhan Özer - Anadolu Agency )