aloe aloe vera cactus healing gel herbal medicine ointment plant potted plant succulent arid bloom blossom desert dry flower oasis barren cliff growth rocks rocky stone stoney wilderness Grece green plants vera escarpment height high landscape mountain top outlook scene scenery top valley view viewpoint vista natural aloe-vera angles contrast contrasting flora foliage fronds garden greenery layered layers levels maintained multi-level papyrus perspectives placed placement planned reeds rockery selected selective shaped shapes stones terraced textures vegetation water water-plants