Melvyn Bragg explores the relationship, from 1911 to 2011, between class and culture.陈天豪(háo )举着(😎)盾牌，来到外面，随手找了一根木头，插(chā )到(👹)盾牌里面(miàn )，木头在接触的瞬间，已经变成(chéng )了黑炭。