A new survival challenge faces the Thai boys and their soccer coach: Oxygen levels in the cave air have plummeted dangerously to just 15%, Thai Navy Seal chief Rear Adm. Aphakorn Yoo-kongkaew said Friday.
원문출처 : https://www.cnn.com/2018/07/06/health/thai-soccer-team-oxygen-bn/index.html
원문출처 : https://www.cnn.com/2018/07/06/health/thai-soccer-team-oxygen-bn/index.html