from Science Kids – Engineering Facts
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The Hoover Dam, built along the Colorado River between 1931 and 1936 reaches 726 feet in height (221 metres). More interesting dam facts.
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High speed passenger trains in China reach speeds of up to 350 kph (220 mph).
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The Titanic was 882 feet (269 metres) long.
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The London Eye in England is the largest Ferris wheel in Europe, standing at a height of 135 metres (442 feet).
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The tallest wind turbine in the world has rotor tips that reach over 200 metres (656 feet) above the ground.