1st-fl-opening-1 1st-fl-opening-2 1st-fl-to-roof 2nd-fl-opening-1 2nd-fl-opening-2 2nd-fl-opening-3 2nd-fl-roof-1 2nd-fl-roof-2 draw-stairs1 draw-stairs2 landing-area-1 landing-area-2 landing-area-3 stairs2 stairs3 stairs4 stairs5 stairs6a stairs6b stairs7 stairs8
