Top rated image: T. gibbosula and C. rustica shells found in layer 4c on the cave in Morocco, which were being beads from what exactly is now often known as the oldest jewelry in the world. Source: A. Bouzouggar, INSAP, Morocco / Given that the beads are often fragile as https://fernandouurqo.blogofchange.com/31614073/contemporary-bead-art-options