Machu Picchu was declared a
Peruvian Historical Sanctuary in 1981 and a UNESCO World Heritage Site in
1983. Since it was not plundered by the Spanish when they conquered the
Incas, it is especially important as a cultural site and it is considered a
Picchu was built in the classical Inca style, with polished dry-stone walls.
Its primary buildings are the Intihuatana,
the Temple of the Sun,
and the Room of the Three Windows.
These are located in what is known by archaeologists as the
Sacred District of Machu
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