This piece sees joe webb examining the refugee crisis and migration at a time when certain people are talking about building walls he reminds us when we step back from our little corner of earth we realise we are all from the same world a ball of rock floating in space joe webbs work has been attributed to inspiring the latest coldplay video up and up which has so far been viewed 28 million times online and tipped for a grammy for best video citizens of earth is signed and numbered by