As you can see in the ancient artifact did not show enough detail because when the artifact was discovered it was distorted comparing to the medieval artifact is shown enough details that you can see a shepherd carrying a sheep to save his life.
Continuing on, as you can see there were least, similarities than differences about ancient and medieval artifacts, just like that, if you compare the architecture from both if the periods has the same concept but they have multiple differences. If we looked one of the ancient artifact called Pyramids, it made of the millions of stone blocks with wetting the sand and heavy objects. Ancient architecture usually built from natural resources like sand, water and stones. Like it is shown in the image