historical pavilion des petits jeux in the city center of spa, belgium, part of the gallery leopold ii and the parc de sept heures

19th architecture ardennes baths belgian belgium blue building century city cold des downtown entrance europe european exterior facade gallery heures historical history jeux landmark leopold liauml ge mineral monument natural ornamental outdoors parc pavilion pavillon petits public sept sightseeing sky snow spa spings springs stone sun sunny thermes tourism town travel urban visit wallonia walloon wellness winter