Mystery of Machu Picchu

High up in the mountains of Peru is "a city in the clouds," Machu Picchu:





The ancient city of Machu Picchu is built entirely of granite and is famous for its water supply.



Scientists still can not solve the riddle of the mysterious Machu Picchu.
Why are all the same Indians built it:



We will help our scientists, we suggest to have a blank fotozhaberov:



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