Alice Springs ancient Australia brown bush central Australia desert-country desert-region dry height high hill hills historic hot inland mountainous mountains outback ridge rocks rocky rough rugged scrub shrubbery sunlight sunshine terrain textures trees foliage gully native native-palm palm palm-tree shrubs vegetation central-Australia light rustic sky stepping-stones steps blue clear-sky Australian beautiful bright cheerful creation dez pain ecology exotic flora flower garden gardening golden grevillea happy joy love moonlight grevillea mulga natural nature nectar plains plant rainforest shrub spring summer unusual wild wildflower xymonau yellow appearance coloring colors colouring colours contrast contrasting dried drought dry-brown-land drying flat grass grasses hardy perspective perspectives river river-bed rural sand sandy survival waterless