“Mysterious 405-Kilometer-Long “Great Wall Of Mongolia” Studied For First Time”

A section of the Great Wall of China that extends into Mongolia has been analyzed for the first time, allowing researchers to present some speculative insights into the history and function of this enormous structure. Spread over 405 kilometers (252 miles), the wall has been dubbed the “Mongolian Arc” due to its curved trajectory. Running roughly parallel to the border between China and Mongolia, the ancient barrier extends from Sukhbaatar Province to Dornod Province in northeastern Mongolia, where winter temperatures often fall as low as -25 degrees Celsius (-13 degrees Fahrenheit). "In spite of its scale and complexity, it is…