above abstract angle angled angles appearance architectural architecture blue circle circles circular frame framed glass height high light linear lines round rounded shadows sky skylight skylight-window sunlight window window-frame windows branches trees winter mall oval shopping balcony gallery museum pillar roof rooflight Victorian white air fresh open swing tiles velux vent ventilation arched ceiling glazing truss frame church color pattern stained glass tinted symmetry colored colors colour coloured colours metal metal-framework metal-work perspective perspectives shaded shaped shapes silhouettes sky-light skylight-windows structure structured style visibility visible cloud dark drops house rain red tile clouds long rectangular support supporting