Notre-Dame-de-l'Assomption Basilica
Notre-Dame-de-l'Assomption Basilica was built between 1897 and 1906 by the architect Guillaume Ritter. For the construction of the walls, G. Ritter used a mixture of lime and gravel-based mortar, to which he added coloured cement in order to obtain the reddish appearance of Alsatian sandstone.