Paris architectural firm AZC is proposing this inflatable trampoline bridge over the River Seine, which would be the funnest — if perhaps not the most efficient — way to get across a river. Unless you count these jetpacks. Damn, those French are all about making it really awesome to traverse waterways, aren’t they?

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The bridge isn’t in the works or anything — it was submitted to a design competition. But it gets our vote for sure. With its 90-foot circular trampolines and its strategic view of the Eiffel Tower, this is the perfect marriage of tourist attraction and bouncy castle. One potential drawback: If this became a reality, visitors to Paris would risk not seeing any of the rest of the city.

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