Upon entry, you first encounter the House of the Terrace Caretaker. Bingham surmised that Machu Picchu was divided into agricultural and urban sectors. As they did elsewhere in the empire, the Inca carved agricultural terraces into the hillsides here to grow produce and minimize erosion. Corn was the likely crop cultivated at Machu Picchu, though contemporary archaeologists wonder if the capacity and area of these terraces really could have supported a community of 1,000 residents. Absent are the elaborate irrigation systems seen at Inca ruins in the drier Sacred Valley. Machu Picchu's semitropical climate meant ample rain for most of the year.
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