Jintang undersea tunnel of Ningbo-Zhoushan Railway under construction in China’s Zhejiang
Technicians from China Railway 14th Bureau Group Co., Ltd. operate a crane inside the “Yongzhou” shield tunneling machine in the Jintang undersea tunnel of Ningbo-Zhoushan Railway in east China’s Zhejiang Province, May 29, 2025. At a depth of 64 meters underground, the “Yongzhou” shield tunneling machine started the boring workContinue Reading