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
Exploration of the Valley of the Kings original tomb owners. In tomb KV17, they removed wall decorations, which are now on display in the Louvre in Paris. In 1845-1846 the valley was explored by Karl Richard Lepsius's expedition; they explored and documented twenty-five in the main valley and four in the west. The second half of the century saw a more concerted effort to preserve rather than simply gathering antiquities. Auguste Mariette's Egyptian Antiquities Service started to explore the valley, first with Eugène Lefébure in 1883, then Jules Baillet and Georges Bénédite in early 1888, and finally Victor Loret in 1898 to 1899. Loret added a further