From 2021 to 2022,Henan Provincial Institute of Cultural Relics and Archaeology and other institute jointly excavated the land which would be the construction site of Changge's industrial park for e-commerce and electronics businesses,unearthing 101 tombs of the Warring States Period as well as the Qin and Han dynasties.The finds constitute a relatively complete spectrum of material evidence for the research into archaeological and cultural changes in Changge from late Warring States Period to the Eastern Han.
ChanggeWarring States Period tombsQin and Han tombshollow-brick tombs