appearances arid Cacti cactus clumps clusters coloring colors colouring colours display edge edges flora garden garden-display garden-plants irregular leaves light ornamental perennials plants pointed protection shape shapes succulents surface surfaces textures unusual appearance backdrop background ferns foliage fronds green greenery horticultural horticulture Light green lighting nature patterns reflecting reflection shade shadows spread spreading sunlight texture variation vegetation wallpaper buildings bus city colored colorful coloured colourful covered walkways cross-roads double-decker bus Hong Kong over-pass pedestrian walkways pedestrian-overpass pedestrians road roads taxi traffic transport transportation turning vehicles danger blue bright brown brown-eggs cardboard cardboard-egg-carton carton displayed egg egg-carton eggs food mixed pack packaging rough six-pack smooth variety various