Photo taken on June 20, 2019 shows the drilling vessel Yavuz at a port in Kocaeli province, Turkey. Turkey on Thursday sent a new drilling vessel to the eastern Mediterranean, risking more strain in ties with its Western allies. The second deep-water drilling vessel, Yavuz, started its journey following a ceremony at a port in Turkey's northwestern province of Kocaeli. (Xinhua/Xu Suhui)