Tucson, Arizona, AZ / Examples of harsh direct sunlight on this late morning image of flowering dicliptera against rosette of yucca blades. 42000H1

Tucson, Arizona, AZ / Example of soft, open shadow light, on this rosette of yucca blades accomplished by waiting until shadows completely engulf the scene. 42000H1

Tucson, Arizona, AZ. / Close-up of the cottony mat with protruding new spines providing shade atop the golden barrel cactus, Echinocactus grusonii, a cactus from San Luis Potosi,Mexico.1105H6