Dreaming stories vary throughout Australia, with variations on the same theme. The meaning and significance of particular places and creatures is wedded to their origin in The Dreaming, and certain places have a particular potency or Dreaming. For example, the story of how the sun was made is different in New South Wales and in Western Australia. Stories cover many themes and topics, as there are stories about creation of sacred places, land, people, animals and plants, law and custom. In Perth, the Noongar believe that the Darling Scarp is the body of the "Wagyl" – a serpent being that meandered over the land creating rivers, waterways and lakes and who created the Swan River. In another example, the Gagudju people of Arnhemland, for which Kakadu National Park is named, believe that the sandstone escarpment that dominates the park's landscape was created in the Dreamtime when "Ginga" (the crocodile-man) was badly burned during a ceremony and jumped into the water to save himself.