The ancient Egyptian pyramids, with their hidden chambers and passages, were built between approximately 2700 B.C. and 1500 B.C.
If the Egyptians were clever enough to build them without any alien assistance, why isn't Egypt one of the world's most technologically advanced nations today?
Egypt is not even on the list of Most Technologically Advanced Countries In The World 2023.
https://gfmag.com/data/non-economic-data/most-advanced-countries-in-the-world/
Egypt is 105th, just below Fiji, on the Human Development Index of 193 nations.
https://en.wikipedia.org/wiki/List_of_countries_by_Human_Development_Index
