Egypt’s Great Pyramid of Giza hidden corridor seen for first time - BBC News

The existence of a hidden corridor above the main entrance of the Great Pyramid of Giza has been confirmed, Egyptian antiquities officials have said.

Video from an endoscope showed the inside of the corridor, which is 9m (30ft) long and 2.1m (7ft) wide.

The officials said it could have been created to redistribute the pyramid's weight around the entrance or another as yet undiscovered chamber.

It was first detected in 2016 using an imaging technique called muography.