The festival of the raising of the "djed" also involved reenactments conducted at Denderah, Edfu, Busiris, Memphis, and Philae. But the most elaborate and grand celebration occurred at Abydos, the cult center of Osiris. From around the end of the third millennium BC during the beginning of the Dynasty XII and perhaps as early as the Dynasty VI three hundred years earlier, reenactments of the Osiris myth – the deception and murder of Osiris by Seth, the search for Osiris by Isis and Osiris' mummification, funeral and his resurrection were performed. From the late fourth century BC, a recitation of the "Lamentations of Isis and Nephthys", a poem describing Isis and Nephthys' search for Osiris, was added to the ceremony on the 25th day of Koiak. At the Osiris Temple in Abydos, these re-enactments are described as involving hundreds of priests and priestesses in the roles of the gods and goddesses, with 34 reed boats carrying the gods, a sculpture of Osiris inside an elaborate chest, 365 ornamental lamps, incense, and dozens of "djed" amulets.