Exploration of the Valley of the Kings and non-royal tombs (including KV43, KV46 and KV57). In 1907 they discovered the possible Amarna Period cache in KV55. After finding what they thought was all that remained of the burial of Tutankhamun (items recovered from KV54 and KV58), it was announced that the valley was completely explored and no further burials were to be found, in Davis's 1912 publication, 'The Tombs of Harmhabi" and "Touatânkhamanou'; the book closes with the comment, "I fear that the Valley of Kings is now exhausted." After Davis's death early in 1915 Lord Carnarvon acquired the concession to excavate the valley and he employed
Valley of the Kings larger area, of the tomb of his father. At the same time, and just opposite his own tomb, Ramesses enlarged the earlier small tomb of an unknown Eighteenth Dynasty noble (KV5) for his numerous sons. With 120 known rooms, and excavation work still underway, it is probably the largest tomb in the valley. Originally opened (and robbed) in antiquity, it is a low-lying structure that has been particularly prone to the flash floods that sometimes hit the area. Tonnes of debris and material has washed in over the centuries, ultimately concealing its vast size. It is not currently open to