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
Minor tombs in the Valley of the Kings into a pillared chamber, again with partially finished side chambers, which in its turn gives access to three consecutive smaller rooms the first two of which have vaulted ceilings. The tomb has decoration in its corridor, depicting Ramesses III followed by a prince, while Carl Richard Lepsius, who visited the tomb in the mid-19th century, also mentions decoration elsewhere in the tomb which is now lost. It has been suggested that KV3 is the tomb mentioned on an ostracon dating from year 28 of Ramesses III, a tomb which was to be quarried in the valley for one of Ramesses's