What if we told you these curious rocks are in fact ancient ‘living’ fossils?! ✨ #LakeClifton in #Yalgorup National Park is home to the largest thrombolite reef in the Southern Hemisphere – one of few places in WA where thrombolites survive. These unique formations are more than 2000 years old and make for some pretty magnificent shots like this one by ? @jaxonfoale. @destinationperth #wanderoutyonder Western Australia Travel Photo #AdventureAwaits