GREAT PYRAMID built by man NOT ALIENS

CW.AA.Debunked.Internal ramp
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Man Built things not aliens, as some would have you believe.

Genesis 4:17 And Cain knew his wife; and she conceived, and bare Enoch: and he builded a city, and called the name of the city, after the name of his son, Enoch.

The first generation was building cities, Metallurgy, creating music instruments.