A China-Europe freight train prepares to depart for Barcelona of Spain, in Xi'an, northwest China's Shaanxi Province, on April 8, 2020. (Photos: Xinhua)
A crane loads containers at the Manzhouli Railway Station in Manzhouli, a land port on the China-Russia border, north China's Inner Mongolia Autonomous Region, April 13, 2020.
A worker of Yiling Pharmaceutical works on the production line in Shijiazhuang, north China's Hebei Province, Feb. 17, 2020.
Trucks transporting wind turbine blades for a wind farm contracted by Chinese firm Universal Energy in Kazakhstan's Kostanay Region, pass through the Guozigou bridge in northwest China's Xinjiang Uygur Autonomous Region on April 24, 2020.
A worker unloads medical supplies brought by a medical team from China to Malaysia at Kuala Lumpur International Airport, Malaysia, April 18, 2020.