Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]
Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]
Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]
Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]
Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]
Employees clear dust off a high-speed train at an overhaul shop in Zhengzhou, Central China's Henan province, on Jan 16, 2021. After 30 minutes of cleaning, the machinist will re-clean the sensitive parts of the train to ensure safe operation. [Photo/Sipa]