How the Laos cave survivors found the courage to rescue themselves

Hungry and weak, the Laos cave survivors huddled together in damp darkness for 11 days, clinging to hope as a wall of water blocked their way out.

​ Hungry and weak, the Laos cave survivors huddled together in damp darkness for 11 days, clinging to hope as a wall of water blocked their way out. Read More Breaking News, Latest News and Videos | CNN