The film
Based on the true nail-biting mission that captivated the world. Twelve boys and the coach of a Thai soccer team explore the Tham Luang cave when an unexpected rainstorm traps them in a chamber inside the mountain. Entombed behind a maze of flooded cave tunnels, they face impossible odds. A team of world-class divers navigate through miles of dangerous cave networks to discover that finding the boys is only the beginning.
Synopsis from TMDB.
The name
Also in Thirteen Lives