Exploration of the Valley of the Kings Period tombs in the main valley. Various expeditions have continued to explore the valley, adding greatly to the knowledge of the area. In 2001 the Theban Mapping Project designed new signs for the tombs, providing information and plans of the open tombs. On February 8, 2006, the Supreme Council of Antiquities announced that an American team led by the University of Memphis had uncovered a pharaonic-era tomb (KV63), the first uncovered there since King Tutankhamun's in 1922. The 18th Dynasty tomb included five intact sarcophagi with coloured funerary masks along with 28 large storage jars, sealed with pharaonic seals. It
Valley of the Kings and KV46, although both KV62 and KV46 were robbed soon after their actual closure) were undisturbed during this period. Most of the tombs are not open to the public (18 of the tombs can be opened, but they are rarely open at the same time), and officials occasionally close those that are open for restoration work. The number of visitors to KV62 has led to a separate charge for entry into the tomb. The West Valley has only one open tomb—that of Ay—and a separate ticket is needed to visit this tomb. The tour guides are no longer allowed to