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Summary
"How can we get from one place to another when something blocks our way? It might be a rushing river. Or it might be a huge cavern or a deep ravine. The answer to that question is to build a bridge. Learn about the different types of bridges, the civilizations and people who engineered and risked th... Full description
Series: Engineering wonders
Bridges
Tunnels
Pyramids of Egypt
Skyscrapers and towers
Stadiums and coliseums
International Space Station
Elevators
Telescopes