Two cavities, one suspicion: is there a second entrance to the Menkaure pyramid? High-tech scans provide spectacular clues - and put Giza's smallest pyramid in the research spotlight.
The pyramids of Giza have fascinated people for thousands of years - and yet they are reluctant to reveal their secrets. Now the smallest of the three, the Menkaure Pyramid, is causing a stir:
Researchers have discovered unusual structures on its eastern side that could point to previously unknown cavities.
Evidence of a second entrance
The new investigation uses state-of-the-art scanning technology to look deep inside the structure - without damaging it.
Our video shows whether a second entrance is actually hidden behind it - and what this could reveal about the pyramid's construction.
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