Earlier quoted context omitted.
We know sculptures and cave-paintings much older than this, some made with great artistic skill, so clearly no archeologist would suggest art was “not possible” at this time. Still a significant find and very fascinating.
Not to mention, Narwala Gabarnmang pretty much blows every precept about the rise of humankind out of the water. https://en.wikipedia.org/wiki/Gabarnmung The birthplace of masonry .. the worlds oldest, longest-running university .. its oldest (still functioning) commons ..
There are more photos than just the single one in the wikipedia link here: