3 ms·
Drain to where?
by sp332 5y ago
Drain to where?
- jazzyjackson 5y agohaven’t you ever heard of a cistern? “ The floodwater cathedral hidden 22 meters underground is part of the Metropolitan Area Outer Underground Discharge Channel (MAOUDC), a 6.3 km long system of tunnels and towering cylindrical chambers that protect North Tokyo from flooding.” - https://www.bbc.com/future/article/20181129-the-underground-cathedral-protecting-tokyo-from-floods https://www.bbc.com/future/article/20181129-the-underground-...
- techdragon 5y agoThis kind of hidden engineering is just amazing. I love finding out about huge construction projects like this that you might never even notice. Just under your feet… making the world work.
- _Algernon_ 5y agoTom Scott has a video about it: https://www.youtube.com/watch?v=cfJOW2PtrGk https://www.youtube.com/watch?v=cfJOW2PtrGk