What if Indigenous diets could save our politically and ecologically strained planet? The answer may lie in the success of an ancient civilization high in the Andes Mountains, where not much grows. UC Berkeley archaeologists reconstructed the diets of ancient Andeans living around Lake Titicaca, which straddles Bolivia and Peru 12,500 feet above sea level. They found that quinoa, potatoes and llama meat helped fuel the Tiwanaku civilization through 2,500 years of political and climate upheaval. The findings, appearing this week in the Proceedings of the National Academy of Sciences journal, help explain the endurance of Andean cultural practices inWhat if Indigenous diets could save our politically and ecologically strained planet? The answer may lie in the success of an ancient civilization high in the Andes Mountains, where not much grows. UC Berkeley archaeologists reconstructed the diets of ancient Andeans living around Lake Titicaca, which straddles Bolivia and Peru 12,500 feet ab