ahlam1399
05-30-2017, 11:16 PM
http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBtMtaV.img?h=100&w=100&m=6&q=60&o=f&l=f&x=1880&y=875With opening of the Gotthard Base Tunnel in Switzerland on June 1, 2016, here's looking at the longest tunnels around the world.
أكثر... (http://www.msn.com/en-in/travel/traintravel/longest-rail-tunnels-around-the-world/ar-BBtOteJ?srcref=rss)
أكثر... (http://www.msn.com/en-in/travel/traintravel/longest-rail-tunnels-around-the-world/ar-BBtOteJ?srcref=rss)