Scientists have discovered a hidden passage inside the pyramid of Cheops in Egypt. It is nine meters long and two meters wide, according to Science Alert..

Egyptian Tourism and Antiquities Minister Ahmed Issa said a " It was found as part of the ScanPyramids project, which was launched in 2015 by scientists from France, Germany, Canada, Japan and Egypt..

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As part of the project, researchers are using cutting-edge technology to visualize the hidden parts of the inside of the pyramid without excavation.. This technology is a combination of infrared thermography, muon radiography imaging, and 3D reconstruction, which scientists say are non-invasive and non-destructive..

The Pyramid of Cheops is the largest in Giza, its height is 146 meters.. This is the only surviving building of the seven wonders of the world.. The pyramid was built about 4500 years ago, it consists of three chambers and, like other pyramids of ancient Egypt, was intended for the burial of pharaohs.

As former Egyptian Minister of Antiquities Zahi Hawass, who is overseeing the project, said, “there is a strong possibility… the tunnel is protecting something. In my opinion, he protects the real burial chamber of Pharaoh Khufu"

Earlier, archaeologists found in Egypt a mummy covered with gold, which was inside a limestone sarcophagus that remained untouched for more than four millennia.. Scientists have also discovered four new tombs in the Saqqara necropolis, which is located near Cairo..