An Ancient Art Form Topples Assumptions about Mathematics
scientificamerican.com
scientificamerican.com
Not only does Vanuatu have a history of continuous plot sand art it also has a practice of water music:
Regarding math, you can represent math in any symbols. Math is pure logic. No matter how esoteric your branch of mathematics it can be reduced all the way to basic axioms. Many ancient societies had understood enough mathematics in order to construct monuments aligned with the heavens, and reasoned about math in unique visualizations.
And "decolonizing" education doesn't change that.