News Archaeology Silk Road cities reached surprising heights in Central Asia’s mountains Mountainous Central Asia may have been “an urban zone” during medieval times Lidar imaging enabled researchers to identify traces of a high-altitude medieval city built by mobile herders along Silk Road routes in Central Asia. An aerial view of one part of that city, now obscured by grass and ground cover, is shown here. M. Frachetti Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Bruce Bower October 23, 2024 at 11:00 am Two high-altitude, medieval cities built by mobile herders along Silk Road trade routes in Central Asia have been hiding in plain sight — until now.