Ancient rocks
Now we're talking geology over a billion years old. This natural opening known as Nature's Window in the Kalbarri National Park has been eroded by wind, providing an amazing view over layered limestone cliffs and gorge.Old fossils
... no, not us! These stromatolites/rocky looking fossilised lumps at Shark Bay are the oldest and simplest forms of life on earth, dating back 4 million years.
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