Machu Picchu is a beautiful old city in Peru. It was forgotten for many years, but now many people are visiting it. Some people think that too many visitors may not be good for the city. What will happen to Machu Picchu?
Welcome the sights and sounds of the world with the Footprint Reading Library. This content-based reading series presents fascinating real-world stories in three formats: print, audio, and video from National Geographic. The Collection includes all books