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
Valley of the Kings (Tibet) inscribed with vivid carvings of floating clouds and flying celestials. The second stele is similar to the first, with only small differences depicted in the carvings. The ancient Tibetan script at the site reveals that he was credited with great achievements during his reign. According to Tibetan history books such as the "Grand Ceremonies of the Wise", "Chronicle of Tibetan Kings and Officials", and "Chronicles of Tibetan Kings and Clansmen", there were believed to be a total of 35 tombs of Tibetan Kings and concubines from the 29th Tuboking to the last, divided into groups, with each group centred in