I think it would be nice for Christmas and Valentines Day, if you could darken your Cafe (Button Daylight/Night) and have tables with a light on them that shine or the torches that flicker in the dark. It would light illumination in the Cafe.
At Christmas time maybe have a fireplace with flickering fire in the dark, or a christmas tree with xmas lights that shine or light up in the dark.
i agree, but not just for holidays. i think it would be a nice addition year round.