Authors:

If the person or artist doesn't touch it, and if the camera stays relatively far away from it, it doesn't really have to be real.

"What goes into designing The Biggest Loser's sets, stages, and chill rooms?". Interview with AVC, tv.avclub.com. June 27, 2016.
If the person or artist doesn't touch it, and if the camera stays relatively far away from it, it doesn't really have to be real.