[Descon]

Those look like sprung structures's tents. They can get real fancy: https://www.sprung.com/

[artisin]

WoW. I was thinking about building a new home recently, but now I'm thinking about pitching a membrane-tensioned tax haven, cuz last time I checked, temporary structures are exempt from property taxes. This is like the ultimate real estate hack.

[qingcharles]

Governments hate this one trick!