Ika shepherd sitting beside his sister in the high Sierra.He applies powdered lime from a small poporo gourd to a wooden palo stick which he then inserts into a wad of coca leaves in his cheek. The lime acts as a catalyst for the cocaine alkaloid in the chewed leaves which in turn give him sustenance energy and relief from hunger and coldArhuaco Aruaco indigenous tribe American Colombian Colombia Hispanic Indegent Latin America Latino South America Arhuaco Aruaco indigenous tribe American Colombian Columbia Hispanic Indegent Latin America Latino South America Farming Agraian Agricultural Growing Husbandry Land Producing Raising Immature Agriculture Young Unripe Unripened Green