Finally, after 2 hours of early morning walking, we find a group of gorillas. We walk up to a gorilla who is plucking off a few leaves to eat. As I stand about 5m in front of the gorilla, he stands up and beats his chest with his hands and then runs in the opposite direction, a little further into the jungle. My guide tells me that he has just greeted me. From there, the actual trek starts while I accompany the endangered mountain gorillas and follow them deeper into the jungle…