Ancient southern African rock engravings finally find a fitting home: Origins Rock Engraving Archive/ Tammy Hodgskiss The Origins Centre housed on the campus of the University of the Witwatersrand in Johannesburg has just opened a new Rock Engraving Archive to the public. This is the biggest collection of rock engravings on display on the continent. It is the culmination of … [Read more...] about Ancient southern African rock engravings finally find a fitting home | The Conversation