I thought this rotating house was impossible [video] (youtube.com)

The part where it shows how the electricity and piping works was pretty interesting. Skip to ~3:00 to see this [1]

Patent shown in the video [2].

[1] https://youtu.be/gisdyTBMNyQ?t=191 [2] https://patents.google.com/patent/US7032353B2/en