The most common Bollard is flat, and white apart from a red rectangle towards the top.
There are variations on these but they all maintain the colour theme:
Australia uses all white lines.
Australia uses yellow diamond-shaped warning signs often featuring the local fauna.
Australia uses wooden poles.
All plates are white except for New south wales where they are yellow.
Australian states each use a different first two digits with a couple overlaps.
Australia has a wide variety of landscapes, ranging from desert in the center, grasslands in the south, and tropics in the north.
Australia has a wide variety of unique Flora/Fauna to be found there, here are just 3 examples out of hundreds:
Australia uses a typical English alphabet.
Australia Has 8 states which are as follows, New South Wales, Queensland, South Australia, Tasmania, Victoria, Western Australia, Northern Territory, and Australian Capital Territory.