Watch Great Pyramid Mystery Solved? | National Geographic in New Channel | Channify

How were the blocks raised to the top of the 489ft Great Pyramid? An architect develops a theory about a snaking internal ramp that's been hidden inside the pyramid for 4500 years. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Pyramids #Architecture About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Great Pyramid Mystery Solved? | National Geographic https://youtu.be/lasCXujNPfs National Geographic https://www.youtube.com/natgeo