Dan Hilyer said:
That fire hydrant in the background looks out of scale. Looks almost big enough to be a real one (https://www.largescalecentral.com/externals/tinymce/plugins/emoticons/img/smiley-surprised.gif).
How do you know that it’s a fire hydrant? It could possibly be something like a “top secret” droid for his RR or possibly a RR Skunk Works project