Final answer:
The west facade of the Cathedral of Notre Dame in Chartres, France is reminiscent of Saint-Denis, divided into units of 2 and 3 with non-identical towers, and has different spires.
Step-by-step explanation:
The west facade of the Cathedral of Notre Dame in Chartres, France, has several notable characteristics. Firstly, it is reminiscent of the basilica of Saint-Denis, which was one of the first buildings to incorporate Gothic architectural elements. This influence can be seen in the pointed arches and the large windows of the west facade.
Secondly, the facade is divided into units of 2 and 3, with two towers flanking the central entrance. These towers are not identical, which adds to the uniqueness of the facade. Lastly, the spires on top of the towers are very different in design, further contributing to the distinctive appearance of the cathedral.