These 6 charts prove why the world is better than it’s ever been http://wef.ch/2mrMIAE pic.twitter.com/pk9yqXAfIq
31 marzo, 2017 | 0 Comentarios
These 6 charts prove why the world is better than it’s ever been http://wef.ch/2mrMIAE pic.twitter.com/pk9yqXAfIq