https://www.ancient-code.com/there-is-an-incredible-lost-underground-city-beneath-the-pyramids-of-giza/
[size=32]Experts Claim There Is A Lost, Underground ‘City’ Beneath The Pyramids Of Giza[/size]
Too long, VERY INTERESTING AND WILL GREATLY ADD TO ANY KNOWLEDGE YOU MAY ALREADY HAVE.
HAVE A LOOK! @ link above