When 12 soccer players and their coach went missing in the Tham Luang cave in Chiang Rai Province in northern Thailand on June 23, many feared they would never emerge alive from the flooded depths of the geological complex.

But after 10 days of searching, divers found the boys and their coach huddled in an isolated chamber inside the cave. They were hungry and cold, but alive.

Questions were quickly raised about the next, precarious step: How would rescuers get them out? With the passageway to the chamber flooded — and the only way in and out a precarious route — rescuers have been weighing their options. The urgency and difficulty of evacuating the trapped group of 13 grew more pressing on Friday. Officials said they had a “limited amount of time” to free them.

With the soccer team’s plight approaching the two-week mark, here’s what is known.

Who are the stranded boys and how did they get here?

The 12 trapped boys are from the Moo Pa Academy (the name means “Wild Boars”), a soccer team in the Mae Sai district of Chiang Rai, and range in age from 11 to 16. Many attend the Mae Sai Prasitsart School, and their classmates have held prayer vigils for them since they disappeared. All were in decent health when rescuers found them on Monday, according to officials.