Collegiate Church of the Holy Cross, Liège

The Collegiate Church of the Holy Cross is a Roman Catholic church in Liège, Belgium, located on the Place Verte at the corner of the Rue Sainte-Croix and the Rue Haute-Sauvenière. It was founded between 976 and 986 by bishop Notger and held the original St Hubert's Key, previously in the treasury of St. Peter's Church. Previously a collegiate church, its chapter of secular canons was suppressed in 1797 following the Liège Revolution. The church itself was handed back for use as a worship space in 1802.

Source: Wikipedia