Workers of the China Railway No. 8 Engineering Group work in a tunnel of China-Laos railway project, near Luang Prabang, Laos, Feb. 14, 2020. The China-Laos railway construction, an important Belt and Road project, is being steadily carried out with epidemic prevention measures employed, the Laos-China Railway Co., Ltd. told Xinhua earlier this week. (Xinhua)