Archaeologists, while clearing away weeds from Peru's Machu Picchu, uncovered more of the ancient site, including a rubbish dump. Machu Picchu Rubbish Dump Found June 10 — Archeologists doing maintenance at the famous Inca citadel of Machu Picchu have found new stone terraces, water channels, a rubbish dump and a wall dividing the site's urban sector from its temples, an official said on Friday. "We were clearing away weeds when we were surprised to discover new stone structures, including a wall 6.8 meters (22 feet) high with fine masonry which separates the urban from the sacred zone," Fernando Astete, administrator...