
Unfired clay sculptures created over a thousand years ago in a Mexican cave by an unknown culture

Square-Shaped Skulls Discovered in Northern Mexico
https://www.ancient-origins.net/news-history-archaeology/skull-modification-mexico-00102352

Vase Fragment in Mexico Suggests Unexpected Cultural Exchange in Mesoamerican Communities
https://greekreporter.com/2025/10/22/vase-cultural-exchange-mesoamerican-communities/
