In amongst all the articles that the tabloids release today, most of which will probably try to stir up division or spread gossip for clicks, I liked this article from The Daily Mail (I know), about the behind the scenes plans and hitches that come with planning a large occasion.
https://www.dailymail.co.uk/news/royals/article-12493671/Is-quiet-headquarters-HUGO-VICKERS-reveals-one-innocuous-question-sparked-Queens-men-race-globe-prepare-funeral-never-forget.html
My favourite bit was this about the very solemn troop movements in Westminster Hall:
"it took longer than expected to deploy four officers into position simultaneously - since only three Household Cavalrymen in full regalia were able to fit into the lift."