Changing of the...

I've never been hugely impressed by the training of the horse guard.

Lots of very loud legs, and eventually the horse standing at the side of the gait decides he's had enough.

It's captioned "Angry horse" but I don't quite see anger here, I see a horse who just doesn't want to stand there while his buddies go off. And the rider's legs aren't quiet, aggravating it. But I think he's being a wee bit buddy sour. Or he's bored.