Vídeo : Mysteries of the Pyramids with Dara Ó Briain

Dara Ó Briain will be joined by archaeologist Raksha Dave and Egyptologist Dr Chris Naunton to explore the most compelling questions surrounding pyramids – ‘How were they built using massive chunks of stone, so heavy that even today a modern crane would struggle?' or ‘What were the Egyptian pyramid's true function?'; ‘If, as Egyptologists suggest, they're tombs, why has no-one ever discovered a Pharaoh in any of them?'