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 lecture inside the tombs, and visitors are expected to proceed quietly and in single file through the tombs. This is to minimize time in the tombs and prevent the crowds from damaging the surfaces of the decoration. In 1997, 58 tourists and four Egyptians were massacred at nearby Deir el-Bahri by Islamist militants from Al-Gama'a al-Islamiyya. This led to an overall drop in tourism in the area. On most days of the week an average of 4,000 to 5,000 tourists visit the main valley. The West Valley is much less visited, as there is only one tomb that is open