Bulgarian Navy Orchestra welcomes the frigate "Yantai" of the 11th Chinese naval escort flotilla during its arrival at the Bulgarian Black Sea port of Varna on Aug. 5, 2012. The frigate "Yantai" of the 11th Chinese naval escort flotilla on Sunday arrived at the Bulgarian Black Sea port of Varna to make a five-day goodwill visit. It is the first visit of Chinese navy ship in Bulgaria ever. (Xinhua/Chen Hang)