Author Graham Hancock traveled with Brien Foerster’s Hidden Inca Tours for 2 weeks in October 2013 exploring ancient megalithic and Inca sites. In this video he explores his ideas about the evolution of human technology, from stone tools to cell phones. http://www.megalithomania.co.uk/tours.html – Click here to join me in 2014 on tours to Gobekli Tepe in Turkey in May/June with Andrew Collins – plus Peru and Bolivia, with authors Freddy Silva and Hugh Newman in October/November.