For perspective, this undertaking dwarfs the Channel Tunnel, which connects England and France with ... we can look to smaller yet equally transformative projects, like the Gibraltar tunnel ...

Excavation started on the UK side ... service tunnel in the middle. They are 32 miles long and run between two terminals in Folkestone, south east England and Calais in the north of France.

The Channel Tunnel has been open for 25 years. Every day it transports thousands of people and millions of products between England and France, with its trains travelling further under water than ...

The tunnel has served thousands of vehicles daily since it opened, significantly shortening the route between France and major Italian cities like Turin and Milan by 50km and 100km respectively.

The Gotthard Base Tunnel currently holds the world record for being the world's longest and deepest railway tunnel, spanning the 35.5-mile distance between ... connects the UK to France is also ...