HD wallpaper USA, Colorado, sunset, landscape, river, horizon, the sky, rocks from the Landscapes category, available in 4814x3189 (4K) resolution. JPG format, file size 6.7 MB. Uploaded by vitya_maly on 08.06.2015. Dominant colors: wet asphalt, anthracite, quartz, brown. Download this wallpaper for free in any supported resolution and set it as the background on your PC, laptop, tablet or phone.