Thousands of years before Facebook, Twitter and TikTok, tiny beads helped humans make social connections.
원문출처 : https://www.cnn.com/2021/12/23/africa/africa-beads-stone-age-social-network-scn/index.html
원문출처 : https://www.cnn.com/2021/12/23/africa/africa-beads-stone-age-social-network-scn/index.html