It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
arizona desert saguaro cactus saguaro landscape wilderness cacti plant nature arizona prickly phoenix western outdoors america sonoran cactus desert southwest sky dry sunset scenic west usa natural southwestern tucson
Page 2017 Free-images.com. All images are Public Domain