Introduction to Fangyuan World: In the "Fangyuan World" exhibition hall are currencies from past dynasties, among which the currencies of South Korea, Zhao and Wei during the Warring States Period have the most Shanxi characteristics. Important exhibits include "sea shells" and "copper shells" from the late Shang Dynasty, "original cloth" from the Western Zhou Dynasty, "pointed foot cloth", "square foot cloth", "knife coins" and "three-hole cloth" from the Warring States period. Among them, the square-footed cloth and the three-hole cloth are the only ones. "Kaiyuan Tong Bao" from the Tang Dynasty, "Tong Xing Bao Chao" from the Ming Dynasty and various copper coins from the Qing Dynasty.