Turn behind from the place where you're standing and you can see a passage walk in the passage till you reach a large window in front of you. Now, turn slightly towards your right and move forward and you can see a passage. Walk till the end of the passage. Now slightly turn right and walk towards the wall which is in front of you. Now turn left and you can see an another passage. Walk in the passage by passing through a small living area on the right side. Move forward till you reach a closed door on the right side and that is the end point.