Напишите несколько предложений о Мачу Пикчу на англиском языке

Machu Picchu is situated in Peru in the mountains. It was built around 14501460. Machu Picchu was a small Inca citadel. No more than 750 people lived there. They were from different parts of Empire. It was constructed as an estate for the Inca emperor Pachacuti (14381472). Some scientists believe that Machu Picchu was a sacred center. But others think that it was a city for elites.  For the buildings it was used polished dry-stone. It was used for 80 years and it was abandoned at the time of the Spanish Conquest.