I’m not the manager of the press room. You’ll have to reach out or dig deeper in your quest for the answers you seek. But Trump would have various backdrops/flags depending on what was being presented at the time. Trump is also a little more reserved in his presentation (when it comes to politics) so the stage usually only had a curtain and various flags.

And If you think that’s an exact replica of the Oval Office I have a bridge I’d like to sell you in Arizona or you need better eye glasses.