June 2018 twelve boys aged 11 to 16, members of the 'Wild Boar' football team and their 25 year old coach were caving in Northern Thailand. Suddenly, the water rose, flooding their exit. They moved further inside the cave system, hoping to find another way out. They were lost for ten days before a search party found them alive. The dramatic operation by cave divers and support teams ended with the successful rescue of all thirteen, some seventeen days after the ordeal commenced. During the rescue, one of the diving team, sacrificed himself to get oxygen...