Exploration of the Valley of the Kings standing for King's Valley, (although the maps show 28 entrances, some of which were unexplored). These paintings and maps were later published in 'The Topography of Thebes and General Survey of Egypt', in 1830. At the same time James Burton explored the valley. His works included making KV17 safer from flooding, although, he is better known for entering KV5. Champollion himself visited the valley along with Ippolito Rosellini and Nestor L'Hôte, in the Franco-Tuscan Expedition of 1829. The expedition spent two months studying the open tombs, visiting about 16 of them in total. They copied the inscriptions and identified 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