China completes longest railway tunnel in Georgia

8.3 kilometers! Georgia's longest railway tunnel completed by Chinese company

Asia’s longest mountain tunnel built for Yunnan railway project

Central Asia's longest railway tunnel in Uzbekistan

Tunnel workers in China meet after years of digging from opposite sides

Key project for China-Myanmar railway! China drilling its longest rail tunnel

Longest tunnel on China-Laos railway drilled through

N Africa's longest railway tunnel helped by China hailed by locals

World's longest undersea high-speed railway tunnel begins 'journey under the sea'

Construction of China's longest rail tunnel in full swing

China's Dunhuang Golmud Railway Tunnel Project Completed

China's longest rail tunnel construction continues despite Lunar New Year

Drilled through! China creates its longest high-speed rail tunnel in cold regions

In 3 minutes: How China builds a high-speed railway tunnel

Railway Tunnel with China's Biggest Cross Section Completed in NW China

North Africa's longest railway tunnel completed by Chinese company

Chinese firm completes East Africa's longest railway tunnel in Kenya

Longest high-speed railway tunnel in east China completed

Never Missing A Train Again 🚆

Longest railway tunnel in north Africa sees successful breakthrough