DYK: Machu Picchu probably would never have been discovered without the help of a kid? http://on.natgeo.com/2qjOTnT

DYK: Machu Picchu probably would never have been discovered without the help of a kid? http://on.natgeo.com/2qjOTnT 

https://twitter.com/NatGeoTravel/status/858440788577071104