Top graphic: T. gibbosula and C. rustica shells present in layer 4c on the cave in Morocco, which ended up beads from what on earth is now often called the oldest jewelry in the world. Resource: A. Bouzouggar, INSAP, Morocco / Native American beadwork is often a method of art https://zanebaxup.therainblog.com/30256185/ancient-ornamentation-an-overview