Introduction to the sarcophagus tomb: The sarcophagus tomb is located at the eastern foot of Dayi Mountain. The site is 70 meters long from east to west and 50 meters wide from north to south. The total area is about more than 3,000 square meters. It contains 61 sarcophagus tombs, earthenware pottery, stone tools, bone tools, jade, etc. There are more than 170 cultural relics dating back 6,500 years. It is the earliest sarcophagus tomb discovered in China so far.