Even now, our safari adventure in Zambia seems surreal. Moments ago, we met a truck full of Zambian security employees armed with guns inside a reserve and sanctuary. Now the group of us walk single file on foot behind an armed escort tracking a white rhinoceros. This field, this sanctuary, is silent but for the sound of us walking and the occasional comment from our leader. Stick together, never run, follow instructions and you will be okay. Sun Setting The sun begins a slow surrender into the horizon, casting an incredible glow on this safari adventure. It is our last night in Zambia. We…