Valley of the Kings rains. There is currently little year-round rain in this part of Egypt, but there are occasional flash floods that hit the valley, dumping tons of debris into the open tombs. The quality of the rock in the Valley is inconsistent, ranging from finely-grained to coarse stone, the latter with the potential to be structurally unsound. The occasional layer of shale also caused construction and conservation difficulties, as this rock expands in the presence of water, forcing apart the stone surrounding it. It is thought that some tombs were altered in shape and size depending on the types of rock the
Victims of Terrorist Attack on the Pentagon Memorial of the 184 victims of the terrorist attack. There are five plaques, one for each side of the marker. The names of those aboard Flight 77 are marked with a diamond in front of their name. The names of those for whom no remains could be identified are marked with a star in front of their name. A pentagonal base extends approximately out and down from the main body of the memorial. The United States Department of Veterans Affairs commissioned the memorial. Granite Industries of Vermont, Inc., of Washington County, Vermont, provided the marker. (The company is also the sole