track down different wild troops.
Over time, the mountain gorillas have become habituated to humans and no longer see us as a threat. Without this habituation, the gorillas would either flee or possibly attack.
This vital tourism brings in much needed jobs and helps protect the gorillas from poaching.
During the trek there is no guarantee of sightings, however the excellent rangers usually find the troops. Once found visitors have just one hour and must sit 7 metres away.
However, on rare occasions the curious gorillas occasionally reach out to humans.
In the video, the troop come to sit around the man. While the silverback sits calmly a metre or so behind, the female and young begin grooming him.