Adam: try to go back the way you came?

You turn around and for a long time you wander the corridors. Eventually you find a window and look outside. The sky is lit by the last lights of the day just as if no time had passed.

You find a set of stairs, go down and leave the building

You'll never know what was behind that door and honestly you don't want to. You preoccupied for a short time but then you spot a charming lady...