Russian President Vladimir Putin (R) shakes hands with his Syrian counterpart Bashar al-Assad (L) during their meeting at the Kremlin in Moscow on October 20, 2015. Syria's embattled President Bashar al-Assad made a surprise visit to Moscow on October 20 for talks with Russian President Vladimir Putin, his first foreign trip since the conflict erupted in 2011. AFP PHOTO / RIA NOVOSTI / KREMLIN POOL / ALEXEY DRUZHININ (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)
