World’s longest rail tunnel to be inaugurated in Switzerland -01 June 2016

World's longest tunnel: Switzerland inaugurates 57.1 km rail route through Alps

World's longest highway tunnel, Atal Tunnel, inaugurated

Longest Tunnel in The World - World's Longest Rail Tunnel Opens in Switzerland

Gotthard tunnel: World's longest rail tunnel opens in Switzerland

Swiss spectacle celebrates world's longest rail tunnel

World's longest and deepest rail tunnel opens in Switzerland

World Longest Tunnel inaugurated | Atal Tunnel | Oneindia Kannada

PM in Dhemaji: India's longest rail road bridge inaugurated

India’s longest rail-road bridge- Bogibeel to be inaugurated on Brahmaputra

Atal Tunnel Finally Inaugurated-An Engineering Marvel That Is The Longest Of Its Kind In The World

Pakistani Reacts to Atal Tunnel - Indian PM Modi inaugurates world's longest high-altitude tunnel

Asia's longest bi-directional tunnel inaugurated; Kargil, Srinagar & Leh to be linked

Atal Tunnel - Indian PM Modi inaugurates world's longest high-altitude tunnel - Reaction

World's longest zipline inaugurated in the UAE

World's longest glass-bottomed bridge inaugurated in China

Eccentric ceremony celebrates world's longest rail tunnel

World's longest rail tunnel helps to connect Europe, Randolph Nogel reports

PM Modi to inaugurate Atal Tunnel today: Facts about world's longest underground highway

World longest and deepest rail tunnel opened in Switzerland

Swiss Railway: Longest and deepest rail tunnel in the world

Report Card - 12 February 2019

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