World's longest highway tunnel above 10,000 feet opens in north India
World's longest highway tunnel above 10,000 feet opens in north India

The world's longest highway tunnel above 10,000 feet in northern India's Himachal Pradesh has been completed after 10 years.

The 9.2 kilometre Atal Tunnel will connect towns Manali and Leh together and the structure took four years longer to complete than estimated.

This footage was filmed on September 16.