historic flood zone, and yet, they keep rebuilding, but not raising anything over the historic flood level. WTF? Ellicott City Maryland

1952: Heavy rains brought by the hurricane produced a flash flood in Ellicott City which washed 21 cars down main street

http://darkroom.baltimoresun.com/2012/03/retrospective-sun-photography-marches-through-time/bs-hurricane-1952/

1975

2016

https://www.fredericknewspost.com/news/disasters_and_accidents/ellicott-city-flash-flood-that-killed-hearkens-back-to-past/article_988fb063-0f67-5b4e-9d81-23edf0d3858c.html
http://baltimore.cbslocal.com/2016/07/31/at-least-one-dead-after-flash-flooding-wreaks-havoc-in-md/