The workers are working day and night. Photographed by our reporter Ma Zhao No. 4 branch tunnel of Qinling tunnel, the first inclined wellhead in Asia. Photographed by our reporter Ma Zhao Builders fighting on the front line. Photographed by our reporter Ma Zhao Our news (reporter Zhang Wei) on February 22, the opening up of the whole Qinling water conveyance tunnel from Han to Wei was held in Xi’an. Governor Zhao Yide attended and announced the connection, and vice governor Hao Huijie presid...