Overland network linking East Asia, Central Asia, Middle East, Europe. Carried Buddhism, papermaking, gunpowder, zero.
Indian Ocean and Mediterranean trade. Arab intermediaries transmitted science, math, navigation. Spices, textiles reached Europe.
13th–14th century Pax Mongolica connected East and West. Envoys, scholars, travelers exchanged astronomy, medicine, compass.
Chinese emissaries to Europe; European travelers (e.g., Marco Polo) brought Asian knowledge back.
Constantinople, Baghdad as crossroads. Translations (Arabic, Persian, Greek → Latin) fed European universities.
Mid-15th century invention accelerated dissemination of translated Asian works.
Steamships, airplanes made exchange faster, deepening cross-cultural cooperation.