Sofía Devries, a 23-year-old woman, disappeared while engaged in a diving certification practice in Puerto Madryn, Argentina. She was diving with her boyfriend, Leonardo Alonso, when she failed to resurface after the dive near Punta Cuevas, at the snorkel tourism site HU SHUN YU 809. The circumstances surrounding her disappearance are still under investigation, raising concerns among her family and the local community.