https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12293149Edit ImageSaveSaveEditCropCustom TextWashington, D.C. A sign at the National Zoological Park. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1157 x 1200 px | 300 dpiLarge JPEG 3376 x 3500 px | 300 dpiBest Quality JPEG 4884 x 5064 px | 300 dpiTIFF 4884 x 5064 px | 300 dpi | 47.2 MBFree DownloadWashington, D.C. A sign at the National Zoological Park. Sourced from the Library of Congress.More