All Stories
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The Channel Tunnel: 23.5 Miles Under the Sea
The Channel Tunnel boasts a record 23.5 miles under the sea, the longest underwater stretch of any tunnel…
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Hong Kong-Zhuhai-Macau Bridge: 80,000-Ton Tunnel Piece
The Hong Kong-Zhuhai-Macau Bridge hides an 80,000-ton tunnel piece that was lowered and joined underwater between two artificial…
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Danyang-Kunshan Grand Bridge: 102 Miles of High-Speed Rail
Danyang-Kunshan Grand Bridge carries high-speed trains for 102.4 miles, making it the longest bridge on Earth at a…
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New Safe Confinement: 36,000-ton Arch Slides Over Chernobyl
The 36,000-ton New Safe Confinement arch slid 1,073 feet on rails to cover Chernobyl’s ruined reactor in 2016…
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Citicorp Center: Welded Over 200 Weak Joints
Citicorp Center had over 200 weak joints that a 16-year storm could topple until secret night welds fixed…
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Three Gorges Dam: 22,500 Megawatts
Three Gorges Dam reached full generating capacity of 22,500 megawatts in 2012, a world record for installed capacity.
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Pioneering Spirit: The Heaviest Vehicle Ever Built
Pioneering Spirit lifted the 34,000-US-ton Brent Charlie topside, the heaviest offshore lift recorded, removing all four Brent field…
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Maeslant Barrier: 750-ton Ball Carries Each Gate Arm
The Maeslant Barrier’s 680-ton ball carries each 6,800-ton gate arm, the largest moving parts on any flood barrier…
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Whittier, Alaska: Almost a Whole Town Lives Under One Roof
In Whittier, Alaska, 80 to 90 percent of the 300 residents live in one building with 196 apartments…
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The Falkirk Wheel: The Only Rotating Boat Lift
The Falkirk Wheel raises boats 79 feet in a half turn that uses energy equivalent to boiling eight…


