the top of one of the red sandstones with its numerous caves under the cloudy sky.

ancient australia boulders butte cave cavern cliff cloudy color crocodile desert geologicalformation gibbriverroad gorge green gully hiking indigenous karst kimberley landscape limestone maricopacounty mountain mountaintop nationalpark offroad outback overcast paintings period phoenix range redrocks redsandstone reef remote rock rough schrubs shrubs sky softstone trails tunnel usa water western windjana