Does 'It has served as a fortress for the Gallo-Romans, the Visigoths, Franks, and medieval French (you can see the layers of their masonry in the ramparts).' serve to directly refute the premise presented in 'The fortress has been knocked down several times.'
It has served as a fortress for the Gallo-Romans, the Visigoths, Franks, and medieval French (you can see the layers of their masonry in the ramparts).###The fortress has been knocked down several times.