Egypt recovered fragments from the pyramid of Cheops that were stolen by some Germans, state-run MENA news agency reported Thursday.
The Egyptian foreign ministry handed over the stolen samples taken from the pyramid to the antiquities ministry.
The ministry said German authorities have opened an investigation into the case.
At 146 metres tall, the Cheops pyramid in the Giza area, west of Cairo, is considered one of the seven wonders of the ancient world, built some 4,500 years ago.