How to understand the characteristics of western culture in Han and Tang dynasties

Xinjiang was called "Western Regions" in ancient times. Ancient Xinjiang was the hub of the Silk Road, so it became a place for cultural exchanges and gatherings between the East and the West. China's ancient civilization, ancient Greek culture, Roman culture, ancient Indian culture, Persian culture and Arabic culture meet here, forming this multi-source, multi-dimensional and multi-ethnic China local culture.