Bridges/Dams/Tunnels
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Bridges/Dams/Tunnels
By: Tom Ravenscroft
Famous as an icon of the Industrial Revolution, the world's first iron bridge pioneered modern bridge design. more...
Metro Two: Moscow's Top Secret Subway System
By: Terry Long
Metro Two is a purported underground transportation system concealed by the construction of the Moscow Metro on the orders of Josef Stalin, beginning in the 1930s. more...
By: John Crandall
Suspension Bridges tie road networks together over bodies of water. The longest in the world currently is over 12,000 feet long. more...
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