CHINA-HEILONGJIANG-DAQING-PATROL DOG (CN)

(220125) -- HARBIN, Jan. 25, 2022 (Xinhua) -- Patrollmen Wang Hongbin (R), Yu Zhenlong and patrol dog "Hu Zi" pose for a group photo at a patrol stand near Daqing West Railway Station in Daqing, northeast China's Heilongjiang Province, Jan. 24, 2022. "Hu Zi," a 14-year-old patrol dog working for the Harbin-Qiqihar railway, the country's northernmost high speed railway, will retire after its last mission during this year's Spring Festival travel rush. "Hu Zi" has patrolled along the railway at an accumulative distance of 80,000 km through its 7 years of service. (Xinhua/Zhang Tao)