During the New Kingdom (c. 1570-1070 BCE), the Valley of the Kings was the burial place of Egypt's pharaohs, including such powerful and famous rulers as Amenhotep III, Rameses II, and Tutankhamen. They were buried here in large and beautifully decorated tombs that have become among the country's most visited archaeological sites. The tourists contribute millions of badly needed dollars to Egypt's economy. But because of inadequate planning, these same visitors are destroying the very tombs they come to see. Crowding, pollution, changes in the tombs' air quality, ever-growing tourist...