Image Credits: Unsplash
Image Credits: Unsplash
The world's longest tunnels are engineering marvels that span vast distances beneath mountains, water, and urban areas.
Image Credits: Unsplash
These impressive feats of engineering have revolutionised transportation, facilitated the movement of goods and people.
Image Credits: Unsplash
Let's explore some of the world's longest tunnels:
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1. Gotthard Base Tunnel, Switzerland Stretching an impressive 57.1 kilometers beneath the Swiss Alps, it is currently the longest railway tunnel in the world.
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2. Seikan Tunnel, Japan Connecting the islands of Honshu and Hokkaido, this is the longest undersea tunnel.
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3. Channel Tunnel, UK-France Eurotunnel is an underwater tunnel linking Folkestone in the United Kingdom with Coquelles in France.
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4. Lærdal Tunnel, Norway This tunnel is renowned for its safety features, including emergency shelters and a system that injects fresh air in case of fire.
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5. Delaware Aqueduct, United States Built between 1939 and 1945, it was an impressive engineering accomplishment for its time.