Among the snow-capped peaks, freshwater lakes, and grassy valleys of Altai Tavan Bogd National Park, thousands of ancient petroglyphs cover the rocks of the Tsagaan-Salaa Valley. Located in the westernmost province of Mongolia, the 15-kilometer site is home to at least 10,000 figures painted during the Neolithic Period and the Bronze Age. Many of the petroglyphs depict humans herding or hunting wild animals, offering a glimpse of how the hunter-gatherer lifestyle would eventually give way to the domestication of animals as livestock. A closer look reveals that some of the…
