After the Mass Extinction, I Became an Archaeological Expert

After Xia Jingyan was reborn, he found that the world he originally lived in had experienced the fifth mass extinction in the history of the earth for hundreds of millions of years, and now he was reborn in a backward feudal society after the sixth biological renaissance... After archaeologists discovered prehistoric human civilization, Xia Jingyan became a prehistoric expert and explained the unearthed cultural relics one by one. This is a mobile phone, this is a computer, this is a car, and there are airplanes, rockets and cannons... Well, this is an inflatable doll... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.