"Thirty years ago, when Li Jingwei was four years old, a neighbour abducted him from his home village in China's Yunnan province and sold him to a child trafficking ring. Now he has been reunited with his mother after drawing a map of his home village from his memories of three decades ago and sharing it on a popular video-sharing app."
https://www.theguardian.com/world/2022/jan/03/abducted-son-li-jingwei-finds-family-map-of-village-china