The Aṉangu believe that Uluṟu and Kata Tjuṯa were created by ancestral spirits ("tjukuritja" or "waparitja"). This is part of their creation story, known as "tjukurpa" (the "Dreamtime"). According to the legend, the world was once blank and featureless, until there came creator beings. They travelled across the land and created rocks, rivers, trees–all living things and the landscape as it is seen today.