Théorème de Pythagore et Terre plate – https://www.youtube.com/watch?v=lcXnDy4M3p4
(Aegidius REX – 3 avril 2017)
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NELLE GIORNATE DI CIELO TERSO, CON INFRAROSSI, DALLA CORSICA SI VEDE IL MONTE ROSA A 405KM – https://www.youtube.com/watch?v=wno7s-vK8HA
(TERRA PIATTA CHANNEL GC – 27 janvier 2021)
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