Two of the stone tools analyzed were made using the Levallois knapping technique of the Levant Stone Age, in which a flint stone core is essentially flaked away to make a point that can cut and hack.

The multicolored cascades of prey and predator animals -- bison, deer, bears, cattle, mammoths, and reindeer -- are interspersed with geometric symbols ... these Stone Age artists were representing.

This artifact was used for scraping fur from animal hides. For European and American Stone Age peoples, end scrapers served as heavy- duty scraping tools that could have been used on animal hides ...