Ancient technology in peru bolivia dvd with david hatcher childress and christopher dunn in this documentary in our ancient technology series david hatch. In this second documentary in our ancient technology series david hatcher childress flies to peru with british engineer christopher dunn together they jour. Ancient technology in peru bolivia david hatcher childress popular lost cities author and star of the history channels long running show ancient aliens takes us to the mysterious ruins in the mountains of peru and bolivia in search of ancient technology and the secrets of megalith building in his new book packed with photos and diagrams . See whats new at ufotv all access commercial free with your support now on all smart tvs computers and personal devices subscribe now stream big h. David hatcher childress popular lost cities author and star of the history channels long running show ancient aliens takes us to the mysterious ruins in the mountains of peru and bolivia in search of ancient technology and the secrets of megalith building in his new book packed with photos and diagrams childress examines the amazing stone cutting at puma punku near the ancient ruins of tiwanaku near lake titicaca in bolivia he looks at whether the so called inca walls found in