Valley of the Kings is extensive. The tomb has been newly restored and opened for visitors. By the end of the New Kingdom, Egypt had entered a long period of political and economic decline. The priests at Thebes grew more powerful, and they effectively administered Upper Egypt, while kings ruling from Tanis controlled Lower Egypt. Some attempt at using the open tombs was made at the start of the Twenty-first Dynasty, with the High Priest of Amun, Pinedjem I, adding his cartouche to KV4. The Valley began to be heavily plundered, so during the Twenty-first Dynasty the priests of Amun opened most of the
Valley of the Kings unknown) were probably in the Seventeenth Dynasty necropolis of Dra' Abu el-Naga'. The first royal tombs in the valley were those of Amenhotep I (although this identification is also disputed), and Thutmose I, whose advisor, Ineni, notes in his tomb that he advised the king to place his tomb in the desolate valley (the identity of this actual tomb is unclear, but it is probably KV20 or KV38). The Valley was used for primary burials from approximately 1539 BC to 1075 BC. It contains at least 63 tombs, beginning with Thutmose I (or possibly earlier, during the reign of Amenhotep