NASA (Source)Public Domainhttps://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/439927SaveSaveSeptember 11th remembrance ceremony held in front of NASA Research Park Bldg-17. Original from NASA . Digitally enhanced by rawpixel.MorePublic DomainFree U.S. Government ImageInfoView LicenseJPEGTIFFSmall JPEG 1200 x 797 px | 300 dpiLarge JPEG 3500 x 2324 px | 300 dpiOriginal JPEG 4284 x 2844 px | 300 dpiTIFF 4284 x 2844 px | 300 dpi | 69.74 MBSay thanks by supporting these good causesHope for Children SaveDownloadSeptember 11th remembrance ceremony held in front of NASA Research Park Bldg-17. Original from NASA . Digitally enhanced by rawpixel.More