関連ワード:  why is quiet when it snows    why is everything quiet when it snows    why is it more quiet when it snows    why is everything so quiet when it snows    why is it extra quiet when it snows    why is the world so quiet when it snows    why is the world quieter when it snows mashable    why is it so much quieter when it snows    why is it so silent when it snows    why is it so peaceful when it snows