For decades now, locals of the New South Wales Central Coast have debated the authenticity of a series of hieroglyphs carved into a hidden rockface in the Brisbane Water National Park. Many believe they have Egyptian origins. Intrepid explorers have scrambled up the tight gap between two sandstone rockfaces, emerging into a narrow passage, to examine the hieroglyphs. The symbols are familiar to anyone with an understanding of ancient Egypt and include an image of Anubis, the name of King Khufu enclosed in the customary cartouche, and many other symbols. In…