LAMPETER, WALES—The Wales Qatar Archaeological Project, led by archaeologist Andrew Peterson of the University of Wales Trinity St David, is using an unmanned aerial vehicle to survey Islamic-period sites in Qatar. Excavations have revealed a large settlement called Rubayaqa, made up of large courtyard homes, a mosque, and two cemeteries. “Finds from the site were as diverse as iron cannon balls to wooden chess pieces and large quantities of ceramics,” Peterson told BBC News. A second town, named Ruwayda, had a mosque complex, workshops, warehouses, and a tomb, and was dominated by a large fortress. “Other finds, such as ceramics, indicate long-distance trade with nations such as China, Oman, Iran, and India,” he added.