A large, life-like painting of a kangaroo on the ceiling of a rock shelter is the oldest known painting in Australia, and was dated using ancient wasp nests
Source:
https://www.newscientist.com/article/2268608-australias-oldest-known-rock-art-is-a-17000-year-old-kangaroo/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home