Moreover, at the official investiture ceremony of the Crown Prince, balloons with a message celebrating the ceremony donated from each prefecture and other governmental bodies were floated in the skies over Tokyo to offer the nation's congratulations.
また、立太子の礼に際しては、都道府県などがこれを祝う言葉を記したアドバルーンを都内上空に浮かべ、立太子を祝った。