HRM422774 St. Gereon and St. Maurice, south side of the Baptistery, c.1240-50 (fresco) by German School, (13th century); St. Gereon\'s Basilica, Cologne, Germany; (add.info.: St. Gereon was martyred in Cologne in c.304; St. Maurice was the leader of the legendary Roman Theban Legion in the 3rd century;); Hirmer Fotoarchiv; German, out of copyright.