It says worldwide, but I can't view countries other than Brazil.
They seemed common in Japan when I visited: https://alicegordenker.wordpress.com/2012/01/17/subway-safet... (not my article)
It says worldwide, but I can't view countries other than Brazil.
They seemed common in Japan when I visited: https://alicegordenker.wordpress.com/2012/01/17/subway-safet... (not my article)