The museum is all about the stone industry, once a large employer in the region. You can learn about mining and extraction as well as transportation and processing of minerals. There are tools and documents, and the daily life of quarry workers is also presented.
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The highlight of the "Gallo-Roman space" are three restored 2nd century Celtic riverboats excavated from an archaeological site. They are the only ones of their kind on display in Belgium and are encased in a huge display box. The other floors display life during antiquity, from the viewpoint of different professions: fishermen, potters, shoemakers etc.
L'église Saint Julien
The church was constructed starting in 1394 and consecrated in 1415. The left-hand tower was finished in 1462 and crowned with a high steeple in 1465. The church was hit by lightning and burned in 1817. The apse of the choir, the tower, and the western portal escaped destruction. The carillon has 41 bells with a range of 3 octaves.
L'hôtel de ville
Built between 1614 and 1624 in Baroque style, the city hall was modified several times over the centuries before being completely restored between 1980 and 1983.
Le musée national des jeux de paume
Museum presenting real tennis and related games such as fives and pelota from historical, sociological, ethnographical and economical points of view. It has a great collection of items and documents and a cinema with educational films.