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A small research robot has travelled through a narrow shaft inside Egypt’s Great Pyramid of Giza and reached a sealed barrier that may have been untouched for around 4,500 years. The discovery has renewed interest in what could lie beyond the blocked passage.
The robot explored a shaft measuring only 20 cm by 20 cm. The passage extends for about 60 metres inside the ancient structure. Earlier exploration attempts had caused some damage, so researchers designed the new machine to move through the route with minimal contact.
Rob Richardson, a professor of robotics at Leeds, led the team that took up the challenge in 2020. The project followed a challenge from Hong Kong dentist and inventor Dr Tze Chuen Ng. The researchers spent nearly five years developing the robot. The machine weighs about 5 kg, which helped it travel through the cramped shaft while using limited power.
The team also built a system that moved the robot carefully through the passage. Its camera eventually gave researchers a view of an area that had been inaccessible. The Great Pyramid has been studied for centuries, yet parts of its internal structure are still poorly understood. Modern tools have offered researchers safer ways to examine areas that are difficult for people to enter.
The exploration did not uncover an open room. The robot instead reached a solid wall or sealed doorway at the end of the passage. That finding leaves the central mystery unresolved. Researchers still do not know what lies beyond the barrier. The area has not been opened, and no confirmed public finding has revealed what may be on the other side.
Egyptologist Zahi Hawass has said he plans to issue an official report on findings linked to the passage after 2026. He has also indicated that a important discovery could alter current understanding of ancient Egypt. The latest exploration shows how robotics is helping archaeologists study the Great Pyramid without disturbing its ancient stonework.
Thermal imaging, 3D mapping and muon scanning are also being used to examine the structure from within. For now, the sealed barrier is still the story. The robot reached the limit of the known passage, leaving researchers with another question rather than a final answer.
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