Fig. 2From: Soot removal from ancient Egyptian complex painted surfaces using a double network gel: empirical tests on the ceiling of the sanctuary of Osiris in the temple of Seti I—Abydosa Black and white photograph from 1930s of the sanctuary of Osiris (looking to the West), showing the vaulted ceiling covered with black soot layers (red arrow) [13]. b Photograph of the painted ceiling of the sanctuary of Osiris, largely covered with sootBack to article page