https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3394475Edit ImageSaveSaveEditCropCustom TextBackbone Trail - Hikers. Hikers in a line. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 900 px | 300 dpiLarge JPEG 3264 x 2448 px | 300 dpiFree DownloadBackbone Trail - Hikers. Hikers in a line. Original public domain image from FlickrMore