Turkish Prime Minister Binali Yildirim (R) and US Vice President Joe Biden shake hands as they pose for a photograph before their meeting at Cankaya Palace in Ankara, on August 24, 2016. The launch of the operation comes as US Vice President Joe Biden arrived in Ankara to meet Erdogan, with agreeing a unified strategy on Syria set to be a crucial issue. / AFP / ADEM ALTAN (Photo credit should read ADEM ALTAN/AFP/Getty Images)
