These systems carry away excess rainwater from streets, helping prevent urban flooding during heavy rain.

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TechnologyOne small aha

Your new ahaStorm Drains

Storm Drains: Infrastructure designed to carry away excess rainwater from streets. Source: Storm drain ↗

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10These systems span physical obstacles and come in many engineering forms, from beam to cable-stayed designs.RECALL
Bridges
Bridges span physical obstacles and come in many engineering forms, from beam to cable-stayed designs.
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11These systems hang from tower-mounted cables, letting them span far greater distances than most designs.RECALL
Suspension Bridges
Suspension bridges hang from tower-mounted cables, letting them span far greater distances than most designs.
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12This type of building construction combines tall load-bearing frames with elevators to make many floors practical.RECALL
Skyscraper Construction
Skyscrapers became possible by combining steel frames with elevators, transforming skylines from the late 1800s.
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