Pilots cannot fly over Walt Disney World, and they cannot fly over George Washington's home at Mount Vernon either. Both sit inside permanent no-fly...
The history of technology is full of happy accidents. Penicillin was one. So were Popsicles and Velcro.
The accident that changed daily domestic life more...
Most cities follow the same script. Ordinary streets, office buildings, houses, a park.
A few places skipped the script entirely. Underground mining communities, abandoned settlements...