Dry stone from the arable or cultural land. They serve both as cattle/sheep fences and the lot's borders. Sometimes also the dry stone terracing is apparent, often combined with parts of stone masonry (house foundations and shed walls) that are held together by a clay-cum-needles "composite" mortar. In Peru in the 15th century AD, the Inca made use of otherwise unusable slopes by building dry stone walls to create terraces. They also employed this mode of construction for freestanding walls. Their ashlar type construction in Machu Picchu uses the classic Inca architectural style of polished dry-stone walls of regular shape. The Incas
Secret of the Incas Indiana's costume was Charlton Heston's Harry Steele in "Secret of the Incas": "We did watch this film together as a crew several times, and I always thought it strange that the filmmakers did not credit it later as the inspiration for the series" and quipped that the film is "almost a shot for shot "Raiders of the Lost Ark"." On December 14, 1954, Charlton Heston and Nicole Maurey reprised their roles in a "Lux Radio Theater" version of "Secret of the Incas". Secret of the Incas Secret of the Incas is a 1954 adventure film starring Charlton Heston as adventurer