The annual Migrants Mass celebrated on the Feast of St Joseph the Worker has become a highlight of the Church’s calendar in London. This year’s was no exception and once again it demonstrated how a multitude of communities become one in faith The stained-glass windows are always a blaze of colour at St George’s Cathedral, Southwark; but at Mass on Bank Holiday Monday, the outfits of the congregation were more than a match for them.The event was the tenth annual Mass for Migrants, an occasion that demonstrates, as perhaps nothing else can, the universality of Catholicism. Because here, beneath the high nave of the cathedral, the world had gathered – or so it seemed. The bright colours of the national costumes of 40, 50 or even more countries were represen