Join David Hatcher Childress and British Engineer Christopher Dunn uncovering proof of high technology in the ancient past. In this episode - Join David Hatcher Childress in Egypt where he meets up with British Engineer Christopher Dunn uncovering proof of high technology in the ancient past. David Hatcher Childress flies to Cairo where he teams up with British engineer Christopher Dunn and together they explore the Giza area, where they uncover pyramid sites underground catacombs and megalithic quarries not usually visited by tourists.