inca terraces in sacred valley terraced fields in peru andes mountains, cuzco region

agriculture field soil flower plant crop plantation shrub farm grass garden plain meadow lawn grassland landscape hill prairie plateau inca terraces sacred valley terraced fields peru andes mountains cuzco region pisac ruins finest largest entire valley excellent condition structures little conclusively site#39aph39#s actual purpose appears city ceremonial center military complex royal estate emperor religious temple reinforced ramparts massive citadel incas retreated defend empire spaniards machu picchu spanish forces