Not home, not sweet, not home
That's your modern tech everyone. Keep it up inventor guys, first prototype, and it already borke.
Jokes aside, where the heck are you? The number on the wall is yours, maybe you're on the outside of the room?
But it's pretty unlikley, because right next to it is a similiar door, and while you're no designer, you can't imagine two of those giant rooms so close to each other.
And what's this goop on the ground? Wait, there's a lot on the ground actually, there's also some drawings here!
So many things, you need to calm your tips, and check everything out in order.