At the train station some billboards caught my eye that had wide-eyed characters — like this one. I did not get the significance at first. “Wachtel” = quail. Then in the lower righthand corner I read “vielviel koffein” = lotsa caffeine. Aha! Lot of caffeine makes you wide awake = “wach”! “Wach”tel = wide-awake quail. I’ll be watching for more of these. Germans and puns… who knew?