appearance backdrop background coloring colors colouring colours ferns flora foliage fronds green greenery horticultural horticulture light Light green lighting nature patterns plants reflecting reflection shade shadows shapes spread spreading sunlight texture textures 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 appearances arid Cacti cactus clumps clusters danger display edge edges garden garden-display garden-plants irregular leaves ornamental perennials pointed protection shape succulents surface surfaces unusual 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