Yoon Sang-hee (C), twin sister of Yoon Sang-ae, a Korean-born adoptee who is now an American citizen, holds a photo and a poster during a reunion held via a video call in Seoul on Oct. 15, 2020, 44 years after the younger Yoon went missing. Next to Yoon is their older brother Yoon Sang-myung (L) and mother Lee Eung-soon. (Yonhap)