Trainer Zheng Ke takes care of retired police dog hero Jin Diao at a base in Kunming City, the capital of Southwest China's Yunnan Province, Feb 14, 2017. During seven years of service, the police dog participated in nearly 100 search and rescue missions in emergencies, including earthquakes and landslides, and helped identify those trapped on many occasions. Now, the 11-year-old dog displays scars it received during those missions on its face, leg and body. It's growing old and now receives good care at the center. [Photo/China News Service]