Staff work at a girder producing area which is part of the construction site of a railway line in Zhengzhou, central China's Henan Province, April 12, 2020. With strict measures against COVID-19 in place, the construction of Zhengzhou section of the railway line from Zhengzhou to Jinan, east China's Shandong Province, has proceeded steadily. The 380 km railway is designed to operate at the speed of 350 km/h. (Xinhua/Li An)
