Or you can build a ginormous cistern beneath the city, as Tokyo did: https://giz... | Hacker News

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Dowwie on Dec 6, 2017 | parent | context | favorite | on: How to Build a City That Doesn’t Flood? Turn It in...

Or you can build a ginormous cistern beneath the city, as Tokyo did: https://gizmodo.com/tokyo-has-the-largest-underground-water-...

jbeales on Dec 6, 2017 [–]

Which may not be large enough: http://www.todayonline.com/world/tokyo-preparing-floods-beyo...

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