from the world's big
Researchers believe it may help uncover the secret to how the pyramid was built.
The Great Pyramid itself, built by the Pharaoh Khufu (or Cheops) is one of the oldest monuments standing. It’s 456 ft. high (139 m) and thought to be around 4,500 years old. This is the largest of all the ancient pyramids and one of the most impressive structures ever built by human hands. It’s also puzzled modern scholars in a number of ways.