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Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing ... One of the most famous examples of their handiwork is the Pont du Gard aqueduct near ...
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Famous for its so-called fish-belly central truss (an unsupported central section that relies on strength provided by curving ...
Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing ... One of the most famous examples of their handiwork is the Pont du Gard aqueduct near ...
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