HHeiligdom Sint GerlachHeiligdom Sint Gerlachde P. A. M. Mertens, Paul le Blanc, P. van Galen, Kim ZwartsMateriasArtBaroque Mural painting and decorationSint Gerlachuskerk (Houthem, Netherlands)Church decoration and ornamentRococo Mural painting and decorationConservation and restorationBuildings, structures