abstract angle angled angles appearance backdrop background barrier colored coloring coloured colouring contain containment contrast decorative distinctive divide edges fence fencing hard lean leaning light painted perspective perspectives red separation slant slanted slanting straight strong surface surfaced surfaces surfacing tactile texture textured textures upright variations variety wood wood-grain wooden access architectural architecture brickwork curved curving passage passageway pedestrian pedestrians practical protective safe safety shade shadows shiny slope sloping stonework sunlight sunshine through underpass wall path pathway paved paving smooth handrail handrails walls askew bottle cork empty glass green foliage greenery vegetation blended blue color colorful colour colourful design detailed details interconnected interlinked interwoven linear lined lines patterns shape shaped shapes style thick thin tiles vibrant wallpaper aslope bent normal oblique plant skew tree weird