view of the rolling hills in sonora desert of arizona with sunset silhouettes and visible native cactuses and grasses

background business design summer nature office sun travel landscape arizona orange hill sky desert geology cliff canyon outdoor scenery mountains monument valley wild native territory fall colors bolivia sunrise cactus natural wilderness latin colored moutains black rock formation dry clear sandstone buttes dramatic salta jujuy cafayate historic red tilcara humauaca sand wonder trip argentina highway view rolling hills sonora sunset silhouettes visible cactuses grasses grasses whispy clouds distance blue moutain ridges