https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3581404Edit ImageSaveSaveEditCropCustom TextU.S. Air Force Tech. Sgt. Justin Gielski from the New Jersey Air National Guard's 108th Wing scales the Curved Wall during training, Aug. 26, 2015 at Pinnacle Parkour Academy in Cherry Hill, N.J. Gielski is a competitor on Season 7 of American Ninja Warrior. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 837 x 1200 px | 300 dpiLarge JPEG 2441 x 3500 px | 300 dpiBest Quality JPEG 2544 x 3648 px | 300 dpiFree DownloadU.S. Air Force Tech. Sgt. Justin Gielski from the New Jersey Air National Guard's 108th Wing scales the Curved Wall during training, Aug. 26, 2015 at Pinnacle Parkour Academy in Cherry Hill, N.J. Gielski is a competitor on Season 7 of American Ninja Warrior. Original public domain image from FlickrMore