Ancient Walls of our Ancestors
For many years, as an Engineer, I have puzzled about how our ancestors constructed massive structures such as the Pyramids, Angkor Wat, the Coliseum at Ephesus, Giant walls of Butrint, Machu Piccu and so on. My photos below are just one example, showing part of the Greek walls of the Coliseum of Ephesus. "Features" shared by the blocks that form many ancient structures are: - More than 2 cubic meters in volume - More than 5 tonnes in weight - Perfect fit with no gap between blocks - Irregular polygonal shapes - Occasional surface defects with bulges on the surface of the blocks Most archaeologists have asked questions like "where did they quarry them", "how did they lift them", "why did they carve random bulges on the surface", "how did they machine them to get such a good fit" The questions themselves are wrong. Our ancestors did none of those things. Instead, our ancestors made aggregates into liquid concrete...
