Workers carry out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
A worker carries out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
A worker carries out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
Robots carry out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
A worker carries out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
A worker carries out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
Workers carry out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
Workers carry out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
Workers carry out maintenance at the Hongqiao high-speed train depot in east China's Shanghai, Jan. 3, 2023. Railway workers of the Hongqiao high-speed train depot have stepped up their efforts on maintenance work for trains to prepare for the future travel rush during the Chinese Lunar New Year. (Xinhua/Wang Xiang)
