Andes Mountains, Peru 🇵🇪: Quechua is one of the oldest living languages on Earth — possibly dating back to the time of the Caral civilization 5000 years ago. It predates the Inca Empire, though the Incas later made it their official language and helped spread it across the Andes. Today, it’s mixed with Spanish and is fading in many communities — but I believe it holds untapped value. It could help decode Peru’s most mysterious sites, like the possibly 10,000 year-old Naupa Iglesia (Sacred Port