Mexico unveils stone-age etchings
Tuesday, July 9, 2013 - 04:30
in Paleontology & Archaeology
Archaeologists in Mexico unveil some 8,000 etchings carved into stones that they believe were made by hunter-gatherers 6,000 years ago.
Archaeologists in Mexico unveil some 8,000 etchings carved into stones that they believe were made by hunter-gatherers 6,000 years ago.