Actress Lee Youg Ae visits the grave of the late Jeong In, in tears with her twin children. 16-month-old Jeong In died on October 13th, last year, after being abused by her adoptive parents. Currently, the "JeongIn, I'm sorry" challenge proposed by the Korea Child Abuse Prevention Association and SBS "Unanswered Questions" is spreading to enhance the awareness for the child abuse.