Author 'G.b.45' (Id 194944 ) : 27. 02. 2013, Aigues Mortes (30) the tour de Constance, built by Saint Louis in 1242 has 1254 end of the work the location of the tower Matafére which had been built by Charlemagne around 790
This tower is 33 meters high and has a diameter of 22 metres and the walls of their base are 6 metres thick.