noelly bosco is a gorilla doctor, and thejungle is his clinic. as come to check on one of his patients. hey, noelly! i'm good. welcome to the jungle. thank you. yeah. how do you know which one, exactly who is who? each one of this group has a specific nose print. these guys have the gorilla card, you look at the nose print, and you think oh, it is this one. then over time you get used to it. talk to me about how important your work is to conservation. well, very much important, gorilla doctors is credited for half the population growth. but everyone has contributed, including tourism. this increases 4% every year. in fact, tourists pay $1,500 to spend an hour up here with these great apes. that's an expensive trek, but it is contributing to conservation. when you are preparing for maybe a medical action, you are so stressed, you don't know what is going to come out, you just come here stressed, have to be responsible for these guys, you have to be responsible for gorillas, you have too much new in a very short time. but then you come back the next