A 12th Century Relic Meets a 21st Century Technology

… with a 21st-century drone carrying a $50,000-or-so camera. Drones have been … use of drones. “Spin it,” Mr. Wang said. The drone whooshed to … 12th-century apse and the modern technology circling it, and the contrast … . Kargère was not thinking about drones when she requested the survey …