Eric Walker added Opinion | Shadows on the Silk Road - The New York Times to Silk Road
Eric Walker added A Silk Road Renaissance - Archaeology Magazine to Silk Road
Eric Walker added a number of links to Silk Road, and added Silk Road to Ancient civilizations
Eric Walker added a number of topics and a number of links to Ancient civilizations, and added Ancient civilizations to Society, culture, cultures, civilization and civilizations and Ancient, classical, medieval and enlightenment history