Well lets get on with the tour then...
Some serious machines so it isn't just a structure...
More machines
That is some SERIOUS bees...man I never could get into bees properly, always seemed to end up with really ordinary types.
OK the sky fence puzzled me, but I'm guessing an ender quarry with world hole might have been used to clear the site before building?
Oh and meanwhile the mining cart was still going
That was one crazy-big build. Is there a technique for laying out circles in Minecraft though, I've seen some other big round stuff including that odd thing in CC.