For example, the Atal Tunnel in Himachal Pradesh is the longest highway tunnel in the world at an altitude of over 10,000 feet. There are many more significant tunnels in India, such as the ...
The 9.02km long Atal Tunnel in Himachal Pradesh is the world's longest tunnel above 10,000 feet. How has the opening of the tunnel changed travel on the Leh-Manali highway? We set out in the Audi ...