VietNamNet Bridge – The lack of a database on geological conditions underground is the biggest setback for planners of the capital city’s transport system.

The Kim Lien-Dai Co Viet Tunnel in the capital city’s Dong Da District. — VNA/VNS Photo

Taking advantage of underground space is a necessity for all growing cities. In Ha Noi, urban planners have already approved the construction of underground parking space beneath large buildings. Tiếp tục đọc “Hanoi metro planners lack geological information” →