dark graphic house object metal metallic window window frame frame windows silver above abstract angle angled angles architectural architecture ceiling color colored colors colour coloured colours framed glass height high light linear lines metal-framework metal-work perspective perspectives shaded shaped shapes silhouettes sky sky-light skylight skylight-windows structure structured style visibility visible window-frame background decorated frame metalic frame object appearance blue bluish clouds long rectangles rectangular shadows sunlight support supporting black-&-white greyscale handrails monochrome rails stairs stairway steps UP