Staff members work at a working platform of the Kaole Tunnel of Lanzhou-Hezuo high-speed railway in Linxia Hui Autonomous Prefecture, northwest China's Gansu Province, Dec. 17, 2024.
The tunnel has a total length of 14,659 meters, of which 11,000 meters have been drilled through by Tuesday. It is a key project of Lanzhou-Hezuo high-speed railway, a part of China's high-speed rail network that centers around eight main vertical lines linking the north and south and eight horizontal lines connecting the east and west. (Xinhua/Chen Bin)
Staff members work at the construction site of the Kaole Tunnel of Lanzhou-Hezuo high-speed railway in Linxia Hui Autonomous Prefecture, northwest China's Gansu Province, Dec. 17, 2024.
The tunnel has a total length of 14,659 meters, of which 11,000 meters have been drilled through by Tuesday. It is a key project of Lanzhou-Hezuo high-speed railway, a part of China's high-speed rail network that centers around eight main vertical lines linking the north and south and eight horizontal lines connecting the east and west. (Xinhua/Chen Bin)
An aerial drone photo taken on Dec. 17, 2024 shows the No. 2 shaft of the Kaole Tunnel of Lanzhou-Hezuo high-speed railway under construction in Linxia Hui Autonomous Prefecture, northwest China's Gansu Province.
The tunnel has a total length of 14,659 meters, of which 11,000 meters have been drilled through by Tuesday. It is a key project of Lanzhou-Hezuo high-speed railway, a part of China's high-speed rail network that centers around eight main vertical lines linking the north and south and eight horizontal lines connecting the east and west. (Xinhua/Chen Bin)
A staff member works at the construction site of the Kaole Tunnel of Lanzhou-Hezuo high-speed railway in Linxia Hui Autonomous Prefecture, northwest China's Gansu Province, Dec. 17, 2024.
The tunnel has a total length of 14,659 meters, of which 11,000 meters have been drilled through by Tuesday. It is a key project of Lanzhou-Hezuo high-speed railway, a part of China's high-speed rail network that centers around eight main vertical lines linking the north and south and eight horizontal lines connecting the east and west. (Xinhua/Chen Bin)
