How Do Cities Stay Above Water When It Rains?

Cities have special helpers called drains that carry away all the rainwater. It's like having a giant sponge underneath the city that soaks up water and sends it somewhere else, like a river or a lake. When it rains hard, these drains work really fast to keep the streets from turning into puddles.

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Examples

A street drain acts like a small river that carries away puddles from the road.
During heavy rains, water flows from rooftops into gutters and downspouts to keep basements dry.
Pumps in some cities can move thousands of gallons of water every minute.

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Categories: Environment · Urban Planning,Water Management,Infrastructure