Coricancha on the right. Different type of megalithic masonry on the left.
Famous "rogue archeologist" and ancient mysteries publisher David Hatcher Childress talks to our travel group. In German language his title would be "Urgestein David" with the idiom Urgestein meaning "famous representative" and literally "prehistoric rock" :-)
The tour was organized and lead by Brien Foerster and Hugh Newman: http://megalithomania.co.uk/tours.html , http://hiddenincatours.com