The Tokyo subway’s romaine is growing—and fast.
Since 1974, Tokyo's Metro has created cute, quirky posters for their subway system to remind passengers of proper etiquette. Each fiscal year they roll out a new set of characters as the ambassadors of good manners, and for 2014 they've just revealed a new mascot (he's the lion in the center poster).
Japan loves Astro Boy even more than we love Mickey Mouse, so it's not too surprising that the little robot boy's visage is still everywhere, even though his show and manga series ended decades ago. The most recent Astro Boy art installation is a 10 by 7 foot mural that consists of 138,000 recycled Tokyo Metro…