Introduction to Rock Wall Park: Rock Wall Park is located behind the City Hall. The Monument de la Reformation in the park was built between 1909 and 1917 to commemorate the 400th anniversary of the birth of Calvin, the pioneer of the Reformation. , this is a long granite wall 10 meters high and 100 meters wide. In the middle of the wall are four tall figures, from left to right, they are Farel, Calvin, and Beza. ) and Knox (Knox), they and the figures of the surrounding statues are all famous figures of the religious reform in the 16th century. The large Post Tenebras Lux above means "light after darkness".