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The Citadel is a protected area due to the enormous natural and cultural attraction that it has. Machu Picchu is full of a mysterious nature which attracts researchers and tourists. its considered the most amazing urban creation of the Inva Empire and one of the most important heritages sites in the world.
Its one of the biggest main atteactions in Peru and one of the most visited worldwide.
In the citadel of Machu Picchu lived no more than 200-300 people of high rank most likely they had a relationship with Inca. the Decendants of the founder Tahuantinsuyo.