This video, screenshot or audio excerpt was released under the Creative Commons license option on YouTubebefore August 2025. (YouTube changed the license version from CC BY 3.0 to 4.0 on August 1; this was not retroactive.)
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80 лет Московскому метро, was reviewed on 12 July 2016 by reviewerRodrigolopes, who confirmed that it was available there under the stated license on that date.
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