In this Thursday, Nov. 5, 2015 file photo, tourists look at the tomb of King Tut as it is displayed in a glass case at the Valley of the Kings in Luxor (AP)

In this Thursday, Nov. 5, 2015 file photo, the mummy of King Tutankhamun's is displayed at his tomb in a glass case at the Valley of the Kings in Luxor (AP)

In this Thursday, Nov. 5, 2015 file photo, one of Egypt's famed King Tutankhamun's golden sarcophagus is displayed at his tomb in a glass case at the Valley of the Kings in Luxor (AP)

Egypt's Antiquities Minister Mamdouh el-Damaty, left, speaks during a press conference as he displays images of radar scans to King Tut's burial chamber on a projector, at the antiquities ministry in Cairo, Egypt, Thursday, March 17, 2016 (AP )

Egyptian Minister of Antiquities Mamdouh Eldamaty speaks during a new conference about the tomb of pharaoh Tutankhamun and Queen Nefertiti at the antiquities ministry in Cairo, Egypt, March 17, 2016 (Reuters)

In this November 28, 2015 file photo of the golden sarcophagus of King Tutankhamun in his burial chamber is seen in the Valley of the Kings, in Luxor, Egypt (Reuters)

A photographer takes photographs of images of radar scans to King Tut's burial chamber on a projector, during a press conference at the antiquities ministry in Cairo, Egypt, Thursday, March 17, 2016 (AP)

The golden sarcophagus of King Tutankhamun in his burial chamber is seen in the Valley of the Kings, in Luxor, Egypt, November 28, 2015 file photo. Egypt has unearthed further evidence that a secret chamber, believed by some to be the lost burial site of Queen Nefertiti, may lie behind King Tutankhamun's tomb, Egypt's antiquities minister said on March 17, 2016. (Reuters)

In this November 28, 2015 file photo of the linen-wrapped mummy of King Tutankhamun is seen in the Valley of the Kings, in Luxor, Egypt (Reuters)

In this file photo taken on September 29, 2015 shows shows the golden sarcophagus of King Tutankhamun in his burial chamber at the Valley of the Kings, close to Luxor, 500 kms south of Cairo (AP)

Egypt's Antiquities Minister Mamduh Damati speaks about radar scans of the tomb of pharaoh Tutankhamun in the ancient necropolis of Luxor which show a "90 percent" chance of two hidden chambers, possibly containing organic material, during a press conference at the antiquities ministry in Cairo on March 17, 2016 (AFP)