https://en.wikipedia.org/wiki/Megacity
https://www.nationalgeographic.org/interactive/age-megacities/
https://en.wikipedia.org/wiki/Megacity#Challenges
"Could Earth’s entire population live in one mega-city?" https://www.bbc.com/reel/playlist/forward-thinking?vpid=p07x08vm
This video seems to be more about turning the mega-city into a prison camp.
https://expedictionary.com/2014/06/25/film-cities-the-smart-city-and-minority-report
https://www.worlddata.info/megacities.php
https://worldpopulationhistory.org/urbanization-and-the-megacity
https://www.theguardian.com/cities/gallery/2014/jan/29/future-cities-in-film
https://newatlas.com/science-fiction-cities-future-urban-visions-architecture
https://urbanai.fr/is-cities-future-as-that-of-minority-reports
https://matrix.fandom.com/wiki/Mega_City
https://neoencyclopedia.fandom.com/wiki/Mega_City_(The_Matrix)
https://en.wikipedia.org/wiki/Blade_Runner#Design
https://en.wikipedia.org/wiki/Metropolis_(1927_film)