C728 A fan of lo ch'iao nü

Luo Yuyan aimlessly toured the streets of Yanjing, looking at the countless of shops, workshops and merchants everywhere. There were even grassland merchants, merchants from the Western Regions, and even more merchants from the six nations of Central Plains.

It was a wide, clean street. The traffic was orderly, divided into carriageways and sidewalks. According to the rules of the right passage