casement casement window frame pane sash window shutters window window frame window pane windows air-conditioners air-cons angles appearance arch arched arched windows architectural architecture Australian black block boxes building dark design elements exterior external height heritage high historic historical history masonry old ornamental ornamentation perspectives plain Rooms sepia solid Somber sombre stonework surfaces walls city clean clouds corporate glass modern office reflexion sky urban brick bricks door front lock port round stairs street tall wall accommodation arched-windows arches Australia castellated castellation college hostel monastery rural fall leaf three woods flats perspective row church color stained glass reflection tower broken devastation factory industrial satirs