architecture building city culture elements flagstones harbour iconic landmark leisure modern New norway norwegian opera house oslo pavement pedestrians people sidewalk sightseers slope steps stone stroll style surface tourists uneven walk wall water above angled angles appearances architectural chinese coloring colors colouring colours exterior exterior-shutters external functional height high louver-blades louvered louvers louvre-blades louvred louvres painted plantation-shutters protection shape shaped shapes shelter shuttered shutters surfaces symmetrical symmetry traditional window window-covering window-frame window-shutters windows abstract aging background color colour cracked cracks damage damaged dark decay derelict deteriorating deterioration Dirt dirty discoloration discolouration disrepair fading grime grimy lines neglect neglected old old-building paint peeling peeling-paint rust rusty texture textures upkeep weathered worn beginning bolders boulders cover covered creeper green greenery growing growth large mortar mound new-growth plant potential retaining-rocks rocks rocky rough small sprouting vegetation appearance blended bubbles bubbling circular colored colorful coloured colourful curved curves decorative design detailed details interconnected interlinked interwoven light liquid patterns perspectives reflected reflection rising rising-to-the-top shiny textured thick thin vibrant wallpaper castellated craftsmanship crenellation crenels decorated distinctive façade historic historical history home house linear ornamental ornamentation plain Rendered Renovated renovations shaded solid two-storey two-story urban view views walls