Canadian scuba diver in Mexico accidentally discovers vast, prehistoric industrial complex

It was a simple stroke of serendipity that led to the discovery in Mexico of the earliest underground ochre mine in the New World, which a new journal article describes as a vast prehistoric industrial complex as much as 12 millennia old, where Paleonindians prospected for the valuable red iron-rich mineral that is a major factor in human evolution.
Read more: https://nationalpost.com/news/world/a-canadian-scuba-diver-in-mexico-accidentally-discovers-a-vast-prehistoric-industrial-complex?source=Snapzu