<p>A technician uses ground-penetrating radar (GPR) to search for voids behind the west wall of King Tutankhamun’s tomb. The new investigation is directed by specialists from the Polytechnic University of Turin in Italy.</p>

A technician uses ground-penetrating radar (GPR) to search for voids behind the west wall of King Tutankhamun’s tomb. The new investigation is directed by specialists from the Polytechnic University of Turin in Italy.

Photograph by Kenneth Garrett, National Geographic

Exclusive Photos: Search Resumes for Hidden Chambers In King Tut's Tomb

Two previous investigations disagreed about what’s behind the tomb walls. Now scientists are launching an all-out effort to solve the mystery.

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