Li Jinjun (front), Chinese Ambassador to the Democratic People's Republic of Korea (DPRK), lays wreath in front of the China-DPRK Friendship Tower, in Pyongyang, DPRK, April 5, 2015. The ambassador visited a cemetery of Chinese martyrs that sacrified their lives in the Korean War in Hoechang County of South Pyongan Province Sunday. (Xinhua/Lu Rui)
