People ride bicycles across the Canal Saint-Martin in Paris, the city’s main canal.

People ride bicycles across the Canal Saint-Martin in Paris, the city’s main canal. 

Credit:

 

John Schults/Reuters

Rising sea levels can be scary stuff.

But one group of creative sustainability experts have devised a plan to combat the future threat of floodwaters — and it's actually pretty fun. Think gondolas. 

A canal system could be a potential solution for this North American city. Can you name which city it is?

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