(CNN)Around 1 p.m. last Saturday, the weather was clear when Prajak Sutham, 14, Pipat Bhodi, 15, and some of their soccer teammates chained their bikes to a rail, hooked their backpacks over their shoulders, and hiked into Tham Luang Nang Non cave in the mountains of northern Thailand.
The 12 boys, members of the Wild Boars soccer team, and their 25-year-old coach, had explored inside the cave before.-- More...