The Bronze Sculptures Found in the Kingdom of Dian
In addition to the two places mentioned above, significant tombs related to the bronze sculpture culture of Dian were the crowds of graves in the temple of the emperor in Chenggong. Nine was explored in 1975 and 44 ones in December 1979 and January 1980 and twenty three in June 1992, which all were vertical earth-pit tombs. The most crucial one is the No. 41 tomb, unearthed more than 310 pieces of various types of objects: 156 bronze weapons, ranging from the ge, zhuo (resemble the pickaxe), spear to sword, axe, arrowhead, chain, hammer, etc. One piece of ge in form of double yue with a hawk mouth and three buckets canisters were special for its form appeared in Yunnan for the first time. Through the C14 dating of the Institute of Vertebrate Paleontology and the Research Institute of primitive humans to the coffin plate of the owner of the tomb, it was estimated the tomb should be 2290 ± 70 years ago.