A health worker disinfects a bus in Harbin, Heilongjiang province on March 30. As the temperature rises in spring, it is easier for bacteria to breed. Since March 30, Harbin Public Transportation Co Ltd has carried out work to disinfect more than 3,000 buses along 134 bus routes in order to provide a cleaner and more comfortable environment for passengers. [Photo/dbw.cn]

A notice is posted onto the money box inside the bus, indicating that the bus has been disinfected. Buses will be disinfected twice a day, at 9 am and 1:30 pm respectively. Harbin Public Transportation Co Ltd will be prioritizing the disinfection of buses to ensure a clean and safe environment for passengers. [Photo/dbw.cn]