The hypothesis that Machu Picchu has a population of approximately 750 people lived at the time. Some residents of the city during the rainy season. And to return to Machu Picchu. Is only temporary.
It is pik assumptions in the population are Chu Chu live up to about 750 people at a time, some will live in the city during the rainy season, and it came back to Shu shu pik is only a temporary pause.
There is an assumption that the Machu Picchu, Joshua had a population of about 750 people who live in most of the time some one to live in the city during the rainy season and will come back to Machu Picchu was momentarily lifted.