Aurelian's construction of the walls as an emergency measure was a reaction to the barbarian invasion of 270; the historian Aurelius Victor states explicitly that the project aimed to alleviate the city's vulnerability.
奥勒良兴建城墙，是作为应对270年蛮族入侵的一项紧急措施，历史学家奥雷利厄斯·维克多指出，这项工程旨在缓解城市的脆弱性。