It typically contains coffins, sarcophagi, or religious relics. The mummies could be stored in ceramic jars, wooden chests or stone sarcophagi. Egyptian elite burials still made use of stone sarcophagi. Some of them were contained in statues and sarcophagi. By the year 350, the Chi-Rho began to be used on Christian sarcophagi and frescoes. Tempera painting has been found on early Egyptian sarcophagi decorations. The bodies of these kings were placed in huge granite sarcophagi. The WPA installed five busts in the circular wall of the atrium surrounding the sarcophagi. Coins, sarcophagi, and ceramics are also numerous. More peaceful mythological scenes were popular on smaller sarcophagi, especially of Bacchus. Another example is archaeological uses such as imaging the contents of sarcophagi or ceramics. Bodies were placed in chambers in stone sarcophagi in their clothes and bound in linen. This contains the body or bodies, probably within sarcophagi or interment niches. Richer people placed these wooden cases in stone sarcophagi that provided further protection. There are three huge stone sarcophagi with non-removable covers along the sides of the chamber.