Break O break open 'till they break the town

And show the children green fields and make their worldRun azure on gold sands, and let their tonguesRun naked into books, the white and green leaves open

explain

The poet feels that the children should break the barriers of the dirty slums which appears as catacombs. Their world should be extended to green fields, golden sands and bright world.They should be given the chance and freedom of expression and to read the book of nature