Exhibitions of artifacts from the tomb of Tutankhamun exhibition until May 2009. The tour continued to other U.S. cities. After Dallas the exhibition moved to the de Young Museum in San Francisco, to be followed by the Discovery Times Square Exposition in New York City. This exhibition, featuring completely different artifacts to those in "Tutankhamun and the Golden Age of the Pharaohs", first ran at the Ethnological Museum in Vienna from March 9 to September 28, 2008 under the title "Tutankhamun and the World of the Pharaohs". It featured a further 140 treasures from the Valley of the Kings including objects from the tomb of King Tut. The
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