animal armoured carapace egyptian head protected protection reptile secure security shell slow tortoise angry cranky crunchy frown grumpy leaf leaves red turtle ugly abstract background candles light lights movement night shutter speed streak streaks texture bright brown deck eyes garden pace relax shadow stalks sunny white Galapagos Island giant giant tortoise national park walking woods aged image arboreal arboreal herbivorous marsupial Australia Australian cultural culture emblem emblematic fauna features fur furry herbivorous icon iconic image inactive koala koala bear Marsupial national native nostalgia nostalgic old style phascolarctos cinereus popular pouched secured slow metabolism symbol symbolic wildlife animals arrow arrows direction directions humor humour platform platforms railway right sign snail station traffic train trains advice alert announcement appropriate-behavior appropriate-behaviour area be-careful beware black care careful caution children communicating communication concern danger dangerous informing Look looking lookout observance observant risk risks road safety school schools signs slow-down slower time times warning warning-sign watch watch-out zone font parallel-signage rectangle reflective signage speed-hump steel-post traffic-sign triangle word