Both types of genomic material showed that ancient Egyptians shared little DNA with modern sub-Saharan Africans. Instead, their closest relatives were people living during the Neolithic and Bronze ages in an area known as the Levant. Strikingly, the mummies were more closely related to ancient Europeans and Anatolians than to modern Egyptians.
Source: https://www.nature.com/news/mummy-dna-unravels-ancient-egyptians-ancestry-1.22069
Or in short, "Italians, more or less, built the pyramids".
Also, modern Egyptians are more closely related to Arabs than Sub-Saharan Africans.
No shit, sub-saharan Africa was so inaccessible that it might as well have been the fucking moon.
Ancient ethiopians might have been more reasonably accessible.