China’s Spring Festival travel rush officially kicked off on Thursday, with around 1.7 billion trips are expected to be made. COVID-19 prevention and control measures have been implemented across China to provide passengers with safe transportation. Aerial photo shows trains on the tracks at Guangzhou South Railway Station in Guangzhou, South China’s Guangdong Province on Jan. 28, 2021. (Photo: CCTV)

Ground mechanics conduct a thorough "check-up" of trains at Nantong Railway Station in East China’s Jiangsu Province on the evening of Jan. 27, 2021. (Photo: CCTV)

A worker cleans and disinfects a bullet train at Nantong Railway Station in Nantong, East China’s Jiangsu Province. (Photo: CCTV)

Beijing South Railway Station strictly implemented the "one-meter line" waiting for trains to prevent COVID-19 and guide passengers to wait for trains in isolation. (Photo: Beijing Railway Administration)

Passengers line up at the waiting hall of Hangzhou East Railway Station on Jan. 28. (Photo: CCTV)

Photo shows the Tianjin Railway Station during the Spring Festival travel rush. Due to the impact of the pandemic and the measure of encouraging people to celebrate the upcoming Spring Festival in place where they work and live, the railway station is not as busy. (Photo: CCTV)

A worker carries out disinfection work in the waiting hall of Guiyang North Railway Station. (Photo: CCTV)

Bullet trains sit on the train lines of Nanjing South Railway Station in Nanjing, East China's Jiangsu Province in the early hours of Jan. 28, 2021. (Photo: CCTV)