London, UK. 1 May 2016. A Karl Marx poster and a poster with the political slogan Workers of the world, unite! May Day rally in Trafalgar Square, London. Credit: Vibrant Pictures/Alamy Live News

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Size: 4000px × 2666px
Location: London, England, United Kingdom
Photo credit: © Vibrant Pictures / Alamy / Afripics
License: Licensed
Model Released: No

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