Most Extreme Railway in the World
World’s Largest Metro Network “Beijing Metro”
This is the tale of the fight to build a railway throughout one of the optimum extreme environments on Earth. To lay down more than a thousand kilometres of track in a remote wilderness. To drive Seven tunnels and to raise 675 bridges all at an altitude exactly where even a simple breath is almost impossible to come by. 140,000 staff and 2000 medics struggled for Five long years time to overcome this hostile environment to complete. the Qinghai-Tibet railway, the highest, highest intense railway in the world.