aquarium background coloring colors colouring colours contrast cool cooling dense density flow foliage green greenery habitat jungle jungle-vegetation light nature placid plants rain-forrest river river-vegetation shade shadows sunlight tranquil tropical undergrowth vegetation water appearance color colored colorful colour coloured colourful display flowers furry garden garden-flowers leaf leaves lines patterned patterns plant purple ribbed soft texture textured textures veined veins wallpaper Australian bush bush-foliage central-Australia distinctive flora hardy native native-plant outback shrub shrubbery culture lamp lamppost lawn palm trees palms peace peaceful shrubs trees white white fence barriers connected external footpath furniture grass joined mesh metal outdoor-bench outdoor-furniture outdoors outside paved paving protective-barriers road roadside safety-barriers seating seats semi-circle steel street-furniture sturdy sunshine angles backdrop backgrounds curl curled fern fronds garden display garden plants growth in the garden Light green roll shape shapes spiral tongue tropical plants variation variety abstract curling curls decorative ferns horticultural horticulture light-green lighting reflecting reflection screen spread spreading philodendron