CNN: Traveling just below the equator, deep in the Sumatran jungle of Indonesia for CNN's new "Expedition: Sumatra" series, my team and I were on assignment to capture the story of a region at a critical crossroads, where rainforests that provide habitat to some of the most rare and endangered species in the world are being destroyed at an alarming rate by pulp and paper and palm oil industries as well as wildlife poachers.
As our time in Sumatra drew to a close, I knew our biggest challenge still...