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I believe they all had very booming industries in the past but also all went through some serious economic decline. But they picked up. But now also they all struggle with crime, poverty and oh 👀🤔🤦 population has reduced

Yep

yesssssss 🔥🔥🔥 Awesome Question time Mr Alfa

Maybe because they were labeled as "failed cities"?

Exactly . Most "dead" cities, with most abandoned factorys, businesses etc.

i wish I really know the common thing among them

I have no idea and would love to find out

I do not know and I would really love to know

i am curious to know their connections

i have no clue but I would really love to know the answer

Here is the facts

Really informative

Thanks for sharing the facts

Quite educating

Good to know these beautiful facts

Never knew this before now