What stops rain from flooding your city?

Video Description

Sign up to Brilliant using my link and get 20% off your annual subscription: https://brilliant.org/AndrewLam Rain has been a constant source of flooding in cities for centuries. We’ve gotten better at engineering defenses as people die and we needed to make things better. Practical Engineering on how sewers work: https://youtu.be/UpHOkHxpTvQ JAPAN SITES Underground Water Tank Tour: https://gaikaku.jp/ Tetsugakudo Apartment: https://goo.gl/maps/orcjbFAHaLwVUdw36 Nissan Stadium: https://goo.gl/maps/jacAmnQQifjcJQAj9 Infrastructure Tourism: https://www.mlit.go.jp/sogoseisaku/region/infratourism/ For any geeks like me, this is the document I used that covers the fun technical details of the sites I visited and more: https://documents.worldbank.org/en/publication/documents-reports/documentdetail/471791582142297709/learning-from-japans-experience-in-integrated-urban-flood-risk-management-a-series-of-knowledge-notes TORONTO Sites Moore Dry Pond: https://goo.gl/maps/MuZS2PaqSGfFaHUn6 Clairville Dam: https://goo.gl/maps/87gSqgP2h5qe9Zd48 Raymore Park: https://goo.gl/maps/Zrak6S78ZdNTWzqW6 - - - - Table of Contents 0:00 From Highways to Hidden Dams 1:40 How Speed Fixed Sewers in Victorian London 3:49 Making Sewers Even FASTER! 5:30 #Ad So I Can Make These Videos 6:55 How Concrete Channels Move TONS of Water When it Rains 7:36 Speed Kills. The Hurricane Toronto Underestimated 9:20 How Dams save lives 10:46 Hidden Dams that Surround You 14:42 Tokyo - Apartments & Stadiums Designed to Flood 18:04 $2 Billion Underground Storage 19:13 Cheaper & Greener Flood Defenses Soon Coming to Your City - - - - Some videos have a creative commons license: https://creativecommons.org/licenses/by/3.0/ https://creativecommons.org/licenses/by/4.0/I'm