amazing discovery made by robotic camera inside pyramids

Robotic camera moved through a narrow shaft inside the pyramid and reached a sealed chamber. It exposed ancient markings carved into untouched stone. It revealed a small hidden door behind the block which indicated an unfinished passage. Footage confirmed the area had remained closed since construction. Exploration expanded structural understanding of internal architecture and worker methods. pyramid shaft exploration robotic camera probe sealed chamber discovery ancient stone markings hidden door block architectural analysis unopened passage construction insights