The reporter learned from the Shanghai Municipal Transportation Commission that at 10 a.m., construction of a new north-south corridor officially began. The North-South Corridor, which began construction this time, will be built as the longest continuous underground flow road in central urban areas in the world, facing many world-class challenges.

The reporter learned from the Shanghai Municipal Transportation Commission that at 10 a.m., construction of a new north-south corridor officially began. The North-South Corridor, which began construction this time, will be built as the longest continuous underground flow road in central urban areas in the world, facing many world-class challenges.