Patrollman Wang Hongbin and patrol dog "Hu Zi" work along the railway 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)
Patrollman Yu Zhenlong and patrol dog "Hu Zi" work along the railway 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)
Patrollman Wang Hongbin and patrol dog "Hu Zi" work along the railway 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)
Aerial photo shows patrollman Yu Zhenlong and patrol dog "Hu Zi" working along the railway 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)
Patrollman Wang Hongbin and patrol dog "Hu Zi" take a rest during their patrol along the railway 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)
Patrollman Yu Zhenlong and patrol dog "Hu Zi" work along the railway 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)
Patrollman Yu Zhenlong watches as patrol dog "Hu Zi" eats 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)
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)
Patrollman Yu Zhenlong and patrol dog "Hu Zi" work along the railway 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)
Patrollman Yu Zhenlong and patrol dog "Hu Zi" work along the railway 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)
Patrollman Wang Hongbin and patrol dog "Hu Zi" work along the railway 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)
