Photo taken on July 11, 2018 shows the Ban Ladhan railway bridge under construction in Luang Prabang, Laos. The China Railway No.8 Engineering Group (CREC-8), in charge of the construction of the third section of the China-Laos Railway, said on Tuesday that it has built all the piers of the Ban Ladhan railway bridge over Mekong River above the flood level. (Xinhua/Liu Ailun)