Sharp spines poking out from a cactus' green skin, camera re-focusses to show more spines in the foreground.

Spiky cactus branches glowing against sunset, tilt up to show a Saguaro cactus against warm orange sky.

Grooved stem of a cactus with small spines poking out from its skin.

Sharp spines poking out from a cactus' green skin.

Prickly Pear cactus' green pads and spikes basking in orange light at sunset.

Tilt from a spindly, thorny cactus towards a large Saguaro cactus. Sun shining brightly in the sky.

Tilt from a spindly, thorny cactus towards a large Saguaro cactus. Sun shining brightly in the sky.

Sharp spines poking out of a cactus' green skin.