Local Quackery on Wheels

 I was waiting at a red light when I saw this trailer being towed in the adjacent lane:

Yes, it's meant for mobile pseudomedical treatment: halotherapy, where you sit in a dry room with pink lights and a lot of salt to improve your lung function and skin or some such.

We once lived in a functional country with a Food and Drug Administration that stopped things like this.

This particular "mobile salt cave experience" can be shared by six or seven people at once during public events, perfect for the pandemic near you.