youtor.org
History’s Most Lethal Pandemic and More Fascinating Facts history shortvideo
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Video Source: www.youtube.com/watch?v=nkC5wRTllLM
How about the Colosseum in ancient Rome? On hot days, it featured a retractable roof, and Roman sailors who stood around the top of the Colosseum would extend a Valerian awning. #history #shortvideo
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