Post B67WoXEYJyUzOfcUSW by gutenberg_org@mastodon.social
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 (DIR) Post #B67WoXEYJyUzOfcUSW by gutenberg_org@mastodon.social
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       7 Engineering Marvels of the Colosseum That Still Baffle ArchitectsA symbol of the grandeur of Rome, the Colosseum was built with many architectural considerations.https://picryl.com/media/colosseum-roma-2009-84569a"The Flavian Amphitheatre, Commonly Called The Colosseum at Rome" at PG:https://www.gutenberg.org/ebooks/73751#engineering #architecture
       
 (DIR) Post #B68RYGuOwbaDWHa0v2 by blackpc@mastodon.social
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       @gutenberg_org the way they built that drainage system is still kind of unbelievable. 2000 years old and no standing water