I do not recall the metro warning signs in France. I do remember them in Japan. It's because the Japanese ones were funny and draw you in to a story. You could

I do not recall the metro warning signs in France. I do remember them in Japan. It's because the Japanese ones were funny and draw you in to a story. You could have the following without the pictures: https://pradt.co/imgs/poster/pleasedoit02.gif https://pradt.co/imgs/poster/pleasedoit02.gif There's different styles to this, there's variations which are more Disney or Anime like, what's the issue? The point is to draw attention, I don't see what the need is for the ostensible seriousness, if it's not effective at educating and drawing people in to your message.