Drone Photo of Medieval Muslim Merchant Houses and Workshops (image) University of Exeter Share Print E-Mail Caption Drone photo of medieval Muslim merchant houses and workshops excavated at Harlaa. Credit (photo. T. Insoll) Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.