You begin looking at a large set of windows, with a very large set of radiators underneath. Like, I didn't know they made sets of radiators that just, could be modularly connected like monkeys in a barrel, just, look at that. That's ten sub-radiators just all connected together. That's crazy. Look at that thing, that is madness. Imagine if one of those burst. Like, the pressure in there has got to be phenomenal. Anyways, turn around, completely around, and move towards the open door. Door number 343. Continue through the open door into the hallway to the left. Like, the hallway outside has a T-intersection, and you're going to move technically right of that intersection into the hallway that it intersects with, but then immediately turn around and head into that T-intersection, and, once you are standing in the middle of that intersection with a fire extinguisher in a cabinet right next to you, you are done.