Question

What was Machu Picchu?

Answer 1

An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.

Answer 2

Inca citadel is the right answer.

Step-by-step explanation:

located in southern Peru, particularly in the Eastern Cordillera, Machu Picchu is an Inca citadel of the 15th century. It was constructed in the traditional Inca style, with gleaming dry-stone fences. The three main buildings of this citadel cover the "Intihuatana, the Room of the Three Windows and the Temple of the Sun.