The Kowloon Walled City (Hong Kong). One of the most densely populated areas on earth

It looks like a steampunk city

Seriously my first thought is how would I ever isolate in this.

Interesting bit about this I read way back on cracked: cracked.com/article_19590_the-6-weirdest-cities-people-actually-live-in.html

I bet it stinks

there was a great game where this city was included. it's called shadowrunners hong kong. fantasy meet futuristic tech

I have a book about people in this city (fiction). It's called The Walled City by Ryan Graudin.