abstract angle angles appearance architectural architecture background basic brick brick-wall bricks color colored colors colour coloured colours exterior external perspective perspectives rough smooth solid standard strength surface surfaces texture textured textures uneven variation varied various wall wallpaper appearances balconies balcony bright building cambodia colorful coloring colourful colouring culture height high highrise light mauve modern multi-storey multi-story purple roof rooftop walls building-maintenance-unit danger dangerous elevated equipment features gondola gray grey Harness harnessed heights motorised paint painters painting platform platform-lift riggers rigging risks risky safety safety-harness surfaced surfacing suspended suspended-access up-high white work workers workmen backdrop barrier bolders boulders cemented coated concrete constructed cover covered erosion-prevention fitted hill mortar random randomly-coursed Rendered retaining-rocks retaining-wall rock rocks rocky rugged secure security slope sloping stone stone-walled stones stonework strong variations variety walled well-built coarse decay old peel strokes