The Silk Road was a network of ancient trade routes across Central Asia that linked people, ideas, goods, technology, and diseases from Rome to China during the period from c. 500 BCE to 1500 CE
Orkhon Valley AB evaluation: "The broad, shallow river valley provides water and shelter, key requisites for its role as a staging post on the ancient trade routes across the steppes, such as those now known as the ‘Silk Road’, and for its development as the centre of two of the vast central Asian empires."