Photo taken on July 29, 2013 shows Kim Jong Un, top leader of the Democratic People's Republic of Korea (DPRK), visiting a cemetery in Hoechang County, South Phyongan Province, DPRK. Kim Jong Un, top leader of the Democratic People's Republic of Korea (DPRK), visited a cemetery on Monday to mourn fallen Chinese fighters in the Korean War, the official news agency KCNA reported on Tuesday. [Photo/Xinhua]