That’s what happens when you grow up in a school system without janitors but a self-regulating student body. Yes, Japanese pupils are cleaning their own schools each and every day. And they do it as adults too. And even though Japan and Russia have not always been besties they even left a Thank You (спасибо) note behind for their Russian hosts.
Amazing! Can you even imagine any of our Western multimillionaire sportsballers cleaning up behind themselves?