https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12277352Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: The "tunnel," an underground passageway thru which all baggage and mail is handled. Municipal airport, Washington, D.C.]. 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 1200 x 911 px | 300 dpiLarge JPEG 3500 x 2658 px | 300 dpiBest Quality JPEG 13912 x 10565 px | 300 dpiTIFF 13912 x 10565 px | 300 dpi | 280.57 MBFree Download[Untitled photo, possibly related to: The "tunnel," an underground passageway thru which all baggage and mail is handled. Municipal airport, Washington, D.C.]. Sourced from the Library of Congress.More