World’s longest and deepest tunnel is 35 miles under mountains — 20 minute journey

The high-speed rail tunnel extends as far down the mountains as some of the deepest mines on the planet



Source link : https://www.mirror.co.uk/travel/news/worlds-longest-deepest-tunnel-europe-37092155

Author : [email protected] (Ketsuda Phoutinane)

Publish date : 2026-05-03 04:09:00

Copyright for syndicated content belongs to the linked Source.