Ah, all I needed was to hear "there's something about this picture" and it all snapped into focus. Whether that says I have keen visualization skills or just a dirty mind, I don't know.
As for which orientation is upside down, wouldn't it depend on which participant's point of view one is seeing? <innocent look> But I do have a lot of practice looking at things upside down anyhow.
Downside Up
As for which orientation is upside down, wouldn't it depend on which participant's point of view one is seeing? <innocent look> But I do have a lot of practice looking at things upside down anyhow.