Summarize the passage by including the central idea and the most important supporting details.
There are many interesting sights throughout the city.
There is the royal area with its palaces. The white stone
buildings are decorated with carvings. There are grand
temples, like the Temple of the Sun. Visitors can view
what is left of the tower where soldiers stood guard.
There are stone pyramids where royal people were
buried.
-"Machu Picchu: A City in the Sky"