Here's my attempt to share the link for our Aussie friend's video--showing just how close you can get to the gorillas without any effort.
https://fbcdn-video-k-a.akamaihd.net...2989a87f812c22
I just added this and 3 other videos we and our friends took during our 2 treks to the original TR below, in case anyone is interested. (I just realized you can add video links, as well--sorry!)