Workers cast concrete for the construction of a 40-meter four-pipe communication tower of the future Vientiane railway station in Vientiane, Laos, March 31, 2020. With concrete cast for the construction of a 40-meter four-pipe communication tower of the future Vientiane railway station in the outskirts of the Lao capital on Tuesday morning, the China-Laos Railway communication signal project has been officially commenced. The communication signal project of the China-Laos railway, undertaken by China Railway Construction Electrification Bureau Group Co., Ltd. (CRCC-EBG, simplified as EBG), is the core and key of the entire railway's train operation, command and control system, and is known as the "brain and nerve center" of the railway. (Photo by Kaikeo Saiyasane/Xinhua)
