January 10 marks China's first designated day to honor police officers. The date was chosen specifically because it refers to the police report hotline number, 110. On this day in 1986, the first police reporting service center was set up by Guangzhou police in south China's Guangdong Province. The Haidao Bridge in east China's Zhejiang Province is seen illuminated on the night of January 9 in celebration of the first Chinese Police Day. The LED lights on the bridge represent the patterns of the police badge and flag. /CFP

China Post releases a set of stamps on January 10 to pay tribute to police officers nationwide on the occasion of the first Chinese Police Day. /CFP

Police officers join a police flag-raising ceremony at a police training school in east China's Jiangsu Province on January 10, 2021. /CFP

A traffic police officer gives a lecture on traffic signs at an elementary school in the eastern Chinese city of Suzhou ahead of the first Chinese Police Day on January 10, 2021. /CFP