Heliopolis (ancient Egypt) from him the true length of the year and month, upon which he formed his octaeterid, or period of 8 years or 99 months. Ptolemy II had Manetho, the chief priest of Heliopolis, collect his history of the ancient kings of Egypt from its archives. The later Ptolemies probably took little interest in their "father" Ra, and Alexandria had eclipsed the learning of Heliopolis; thus with the withdrawal of royal favour Heliopolis quickly dwindled, and the students of native lore deserted it for other temples supported by a wealthy population of pious citizens. By the 1st century BC, in fact,
Valley of the Thracian Rulers two chambers were built from bricks, the floors were built from lime plaster while the walls were covered with a thick layer of rendering upon which one can find formed colorful fasciae in white, red and black. The side walls narrow steadily and end in a sharp-edge arch. The contours of common premises are repeated at the entrances to both chambers. The entrance to the second chamber is closed by a single-wing stone door, lacunared from the inside. The tomb was raided in ancient times and several small findings allow it to be dated back to the second half of