This is Chama Square in Chengguan Town, Karuo District, Qamdo City (photo taken on March 25th). Xinhua News Agency reporter Chen Shangcai photo "This tunnel is 5 15 meters long and more than 30 meters wide. The upper part of the tunnel is a pedestrian street and a commercial square. The tunnel is a two-way four-lane main road for motor vehicles. Its construction has effectively alleviated the traffic pressure in the central city of Qamdo. " Mr Said to: