Have you Been To Tulum?
I may try to find a picture of it online, if I find it, I will post a link!
On our trip to Cozumel, my wife and I went to see the Mayan ruins at Tulum. That was the last occupied city of the Mayans. The structures there are over 1500 years old and are still used for rituals on special days of the year. We were impressed by some of the things we learned about the Mayan’s culture and advancements they possessed. One of the temples appeared to be leaning a bit, but it has been that way since it was built. Its walls were built to mark the angle of the axis of the earth! That was a long time before a lot of civilizations realized the earth is round.
Their understanding of astronomy and medicine and mathematics was amazing. The part of the city that is still intact is within a wall of cut stone. The area is about 250 yards long and 65 yards wide. There is a 30 cliff that overlooks a gorgeous view of the sea that serves as the protection of one side. We were told that 400 lived in the walled city. They were the priests, the queen, and other elites of society. Outside the walls was home to over 4000 hunters, gatherers and others who served the elites.
The way the elites maintained control of those outside the walls was with their learning and abilities to predict the beginning of rainy seasons, and the time of the birth of children and such. It struck me that mankind has not changed much, still the elites in their “walled cities” like to keep control and power by secrets that only they know!
Civilization!