https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/3978604Edit ImageSaveSaveEditCropCustom TextRescue officers wearing N95 mask during the aftermath of the September 11 terrorist attack on the World Trade Center, New York City. Courtesy of the Prints and Photographs Division, Library of Congress. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFBanner JPEG 1200 x 803 px | 300 dpiLarge JPEG 3500 x 2343 px | 300 dpiBest Quality JPEG 3928 x 2630 px | 300 dpiBanner TIFF 1200 x 803 px | 300 dpiBest Quality TIFF 3928 x 2630 px | 300 dpi | 59.15 MBFree DownloadRescue officers wearing N95 mask during the aftermath of the September 11 terrorist attack on the World Trade Center, New York City. Courtesy of the Prints and Photographs Division, Library of Congress. Digitally enhanced by rawpixel.More