This is the starting point and you're facing towards an open entrance. Turn around. Walk towards the staircase on your left. Get down the stairs completely. Walk inside the room on your right. Turn slightly left. Keep walking forward until you reach an open door on your right. Walk inside the open door. This is an empty room. Walk forward towards the brown door in the corner. And stand in front of the wall. This is the end point and you're facing towards the wall.