How has the scene and atmosphere around the forum changed from the opening of act 1 to its close? the forum does not change from the opening to the close of the play. act 1 opens with the forum in celebration and ends with it in chaos. act 1 opens with the forum in chaos and closes with it in celebration. act 1 opens with the forum saddened by the feast of lupercal and closes with the citizens still saddened because of the thunderstorm.