The elephant faces market forces driving the value of its tusks to levels once reserved for gold. As National Geographic goes undercover to expose the criminal network behind ivory's supply and demand, scientists reveal how the elephant, with its highly evolved society, keen intelligence, ability to communicate across vast distances and to love, remember and even to mourn, is far more complex than ever imagined.
Documentary · 23 فبراير 2013 · 55 دقائق