Northern Territory tells of how a great mother arrives from the sea, travelling across Australia and giving birth to the various Aboriginal peoples. In some versions, the great mother is accompanied by the Rainbow Serpent (or Lightning Snake), who brings the wet season of rains and floods. From the Great Sandy Desert area in the northern part of Western Australia comes a story that explains how the Wolfe Creek Crater, or Kandimalal, was created by a star falling from heaven, creating a crater in which a Rainbow Serpent took up residence, though in some versions it is the Serpent which falls from heaven and creates the crater. The story sometimes continues telling of how an old hunter chased a dingo into the crater and got lost in a tunnel created by the Serpent, never to be found again, with the dingo being eaten and spat out by the Serpent. The Noongar people of south-western Western Australia tell of how Rainbow Serpents, or Wagyls, smashed and pushed boulders around to form trails on Mount Matilda, along with creating waterways such as the Avon River. Some Aboriginal peoples in the Kimberley region believe that it was the Rainbow Serpent who deposited spirit-children throughout pools in which women become impregnated when they wade in the water. This process is sometimes referred to as "netting a fish". A more child-friendly version of the Rainbow Serpent myth tells of how a serpent rose through the Earth to the surface, where she summoned frogs, tickled their bellies to release water to create pools and rivers, and is now known as the mother of life. Another tale is told in Dick Roughsey's children's book, which tells how the Rainbow Serpent creates the landscape of Australia by thrashing about and, by tricking and swallowing two boys, ends up creating the population of Australia by various animal, insect, and plant species. Iconography The earliest known rock drawings of the Rainbow Serpent date back to more than 6,000 years ago. Because of its connections with fertility, the Rainbow Serpent is often illustrated as a vagina, and vice versa. Some rock art has been discovered in which the Rainbow Serpent was drawn mouth open and tongue out to represent the vaginal opening and streaming menstrual blood. The Serpent has been depicted in rock art in various forms, generally snake-like but it may have heads resembling marsupials (macropods) or flying foxes, even