Archaeologists have excavated over 400 tombs in northern China dating back more than 2,000 years, local media reported on Sunday. According to the Beijing-based Xinhua news agency, local archaeological authorities have excavated 445 tombs in northern Shanxi province, providing valuable data for the study of funeral and other practices of that era. The tombs, from the Warring States Period (475-221 B.C.), were found about 500 meters north of Xuezhuang village ...