The Terracotta Army's weapons have been maintained very well
During the excavation process of the Terracotta Warriors, archaeologists found about 40,000 bronze weapons, including battle axes, spears and spears. Surprisingly, even more than 2,000 years later, these weapons were kept very well thanks to the protective chrome coating , This was revealed by a seemingly modern technique (first used in Germany in 1937 and the United States in 1950) revealing the evolution of ancient Chinese minerals