Joshua Tree National Park Arizona air pollution

The view down into the San Bernadino valley from Joshua Tree National Park Arizona clearly shows a photo-chemical smog which marks the freeway from Los Angeles California to Phoenix Arizona.

Size: 5200px × 3460px
Photo credit: © david hancock / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, arizona, country, dead, desert, joshua, national, park, photo-chemical, pollution, smog, stone, tree