This image of a rail yard from the Library of Congress' archives is one of 3,115 photos the US government agency is making available on Flickr for public tagging.
The idea of the pilot project is to invite people to add metadata to images that previously had little. The library is hoping that the metadata will add new context and meaning to the photos and make them more accessible to the public.
Credit: Library of Congress
Jack Delano took this 1941 photo of three people in a horse-drawn cart in Green County, Georgia. Within a day of it being uploaded to photo-sharing site Flickr, the public had added 34 tags.
Credit: Library of Congress
This 1942 photo of a woman working in the Burbank, California, assembly plant of Vega Aircraft had 55 new tags added to it within a day of the Library of Congress' pilot project going live on Flickr.
Credit: Library of Congress
Howard Hollem's World War II-era photo of a Marine Corps major is one of several in the Library of Congress' archives of military personnel posing in full-dress uniforms.
Credit: Library of Congress
A photograph of a US medal of honour taken sometime between 1941 and 1945.
Credit: Library of Congress
This photo, by Jack Downey, shows Allied troops driving up Paris' Champs Elysees after the French capital was liberated in 1944.
Credit: Library of Congress
At the Douglas Aircraft Company in Long Beach, California, women inspect cargo transport innerwings before assembly on airplane fuselages. Alfred Palmer took the photo in 1942.
Credit: Library of Congress
Alfred Palmer also took this 1942 photo of Lt. "Mike" Hunter, an Army pilot.
Credit: Library of Congress
A B-25 bomber at the Long Beach, California, facilities of Douglas Aircraft. The photo, another by Alfred Palmer, was taken in 1942, and is part of the collection of World War II-era pictures the Library of Congress has posted on Flickr for public tagging.
Credit: Library of Congress
Another 1942 Alfred Palmer photo shows a woman at work on an airplane motor at the Douglas Aircraft Company in Long Beach, California.
Credit: Library of Congress
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