I saw this when I logged into Twitter today – Emperor Naruhito completes enthronement in ceremony rich with history and ritual: https://www.japantimes.co.jp/news/2019/10/22/national/japanese-emperor-begins-ceremonies-proclaim-enthronement-world/. Here’s more Twitter: https://twitter.com/search?q=Emperor%20Japan&src=typed_query.
More on the new Emperor: https://en.wikipedia.org/wiki/Naruhito
Additional articles on the enthronement:
Here’s more on the ceremony: