PERU: Little Known Fact: Llama Dung Fueled Inca Empire And Culture.

GUARDIAN/ R. Carroll

   Without llama dung, the Incas would not have been able to thrive and create Anerica's biggest empire and build Machu Picchu.
    Llama manure provided the necessary fertilizer for corn to be cultivated at very high altitudes, according to new research from Alex Chepstow-Lusty of Lima's the French Institute of Andean Studies.