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Keyhole Shaft

At the ledge of the Sphinx enclosure, a square shaft is located opposite the northern hind paw. It was cleared during excavation in 1978 by Hawass and measures 1.42 by 1.06 metres (4.7 by 3.5 ft) and about 2 metres (6.6 ft) deep. Lehner interprets the shaft to be an unfinished tomb and named it "Keyhole Shaft", because of cuttings in the ledge above the shaft that are shaped like the lower part of a traditional (Victorian era) keyhole, upside down.