tunnels and underground excavations: Media
engineering
Videos
Building a tunnel under the Bosporus strait
Learn about the construction of a rail tunnel (2013) under the Bosporus, 2009 video.
Constructing the world's largest railway tunnel in Switzerland
Overview of the Gotthard Base Tunnel filmed in 2009, which describes its construction...
How an underground labyrinth threatens Rome's monuments
Learn about Rome's numerous tunnels and underground chambers, which undermine the...
Images
railroad tunnel
Small railroad in a tunnel of a coal mine in Zabrze, Poland.
© Tupungato/Dreamstime.com
Seikan Tunnel
The Seikan Tunnel, connecting Honshu, the main island of Japan, with the island of...
Ariake
Gotthard Base Tunnel
Miners rejoicing after completing the drilling for the Gotthard Base Tunnel, October...
Arno Balzarini—EPA/Shutterstock.com
Gotthard Base Tunnel
Train entering the Gotthard Base Tunnel upon the ceremonial opening of the tunnel...
Laurent Gillieron— Keystone/AP Images
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