Main building of the villa rustica Hambach 66 in Niederzier-Hambach (Kr. Düren / NRW): Ground plan of the main building and photograph of the excavations of heated room 8 with praefurnium 9 in the southern room suite (Abb. nach Jung u.a. 1980a, Abb. 155; Resch 1983, Abb. 1).