The bones, stored at the National Museum of Anthropology in Mexico City, have been carbon-dated and one is 12,700 years old, which places it several thousand years before the arrival of people from the North.

• 这些骨骼被保存在墨西哥城国家人类学博物馆里，并经过了碳元素年代测试，其中有一个已经有12，700年的历史了，这比北部移民到达美国的时间还早了几千年。