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
Minor tombs in the Valley of the Kings are larger, multiple chambered tombs. These minor tombs served various purposes, some were intended for burials of lesser royalty or for private burials, some contained animal burials and others apparently never received a primary burial. In many cases these tombs also served secondary functions and later intrusive material has been found related to these secondary activities. While some of these tombs have been open since antiquity, the majority were discovered in the 19th and early 20th centuries during the height of exploration in the valley. Tombs in the Valley of the Kings are assigned a numerical "KV" (for Kings' Valley)