Photographs show 44,856- to 41,010-year-old ostrich eggshell beads produced with techniques similar to those used by Kalahari San women: shaping, drilling perforations, stringing with vegetal twine and smoothing with a grooved stone. (University of the Witwatersrand via Associated Pres)

Photographs show 44,856- to 41,010-year-old ostrich eggshell beads produced with techniques similar to those used by Kalahari San women: shaping, drilling perforations, stringing with vegetal twine and smoothing with a grooved stone. (University of the Witwatersrand via Associated Pres)