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
Charlton Heston of killer ants. He played the lead in "Secret of the Incas", which was shot on location at the archeological site Machu Picchu and had numerous similarities to "Raiders of the Lost Ark". Filmed a quarter-century before the latter film, ""Incas"" included a tomb scene with the revelatory shaft of light pointing out a clue on a map and featured Heston's roguish antiquities thief's costume and light beard; "Raiders" costume designer Deborah Nadoolman Landis noted that it was "almost a shot for shot similar" to the film on which she worked. Heston played William Clark, the explorer, in "The Far