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Science Channel – Unearthed Dark Secrets of the Pyramid (2016) Full Documentary
New evidence could help solve the Great Pyramid’s mysteries
Archaeologists are now exploring an ancient security mechanism consisting of an intricate system of blocks, grooves and shafts that was installed in the Great Pyramid of Giza over 4,500 years ago to protect the mummified body of Pharaoh Khufu (also known as Cheops) and his treasures from grave robbers.