SpaceX CEO Elon Musk supported the conspiracy theory about the origin of the Egyptian pyramids, for which he was accused of racism, MK reported.

Musk noted the pyramids in Egypt were built by aliens and noted that the structures remained the tallest on the planet for about 3800 years. Twitter users saw racism in his words.

One of the users asked the businessman if it was difficult for him to believe that the pyramids were built by Africans, another one wondered if Musk thinks that the black people could not have built the pyramids.