A tiny green pottery shard links Great Zimbabwe to China; glass beads reveal the medieval African city’s far-reaching trade networks | World News
PC: YouTube(Secrets of the Dead PBS) A small shard of jade-green pottery found at Great Zimbabwe has opened a window onto a journey that crossed continents and the Indian Ocean centuries ago. The fragment looks unlike the earth-brown pieces recovered from the same archaeological trench.Its smooth glaze led archaeologists to identify it as Longquan celadon,…