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Credits:
Host - Simon Whistler
Author - Morris M
Producer - Jennifer Da Silva
Executive Producer - Shell Harris

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Source/Further reading:

https://www.ancient.eu/Machu_Picchu/
https://www.britannica.com/place/Mach...
https://www.history.com/topics/south-...
https://www.nationalgeographic.com/tr...
In Our Time podcast on the Inca: https://www.bbc.co.uk/programmes/m000...
BBC Radio doc on finding Machu Picchu: https://www.bbc.co.uk/programmes/b015...
Pachacuti Inca Yupanqui: https://www.ancient.eu/Pachacuti_Inca...
Fall of the Inca Empire: https://www.ancient.eu/article/915/pi...
That time a beer commercial damaged the sacred site! http://news.bbc.co.uk/2/hi/americas/9...
Building Machu Picchu: https://www.pbs.org/wgbh/nova/article...
Machu Picchu’s water system: https://www.archaeology.org/issues/59...
The Inca writing system: https://www.newscientist.com/article/...
Yale and the missing objects: https://www.npr.org/2010/12/15/132083...
Machu Picchu visitors per year: https://www.perutelegraph.com/news/pe...