Another 4th of 4th (picture tag thing, do keep up - see this post here), this time from O'Docker, who without a blog (heckler at the back "shame!") sent in by email instead.
Aahhh ..... isn't that pretty!
But what is it? Answer on a post card or failing that in a comment. The best answer (not necessarily the right one) might get a prize.
Or might not (as I've just made that bit up).