An absolute miracle of a story, and strap your seatbelts because it’s a long one! Especially the fact that their mom died in an air crash, and because of that the duty was on the older sister, who was just 12, to take care of her siblings (one of them just a year old) in the middle of an extremely dense and dangerous jungle. For over a month, mind you. Them surviving with just some dehydration and mosquito bites is nothing short of heroic.
From what I gather, it’s a bit of both, but officially the first one