What makes Byzantium so interesting? in Crusader Kings 3 and more...

Video Sources: History of the Western Roman Empire: Every Year: https://www.youtube.com/watch?v=Lg15hdTIWVA The History of Byzantium [395-1453]: https://www.youtube.com/watch?v=zkTZyk_CmyM&t=4s Music from Adrian Von Ziegler: https://www.youtube.com/watch?v=USz9cwVSaqg&t=1100s