anticipated, will be a challenge. refrigeration of any kind is impossible. >> okay. well, i'm psyched. my dream has finally come true. blocked by officials? this could be months. okay. let the probing begin. [ speaking foreign language ] >> now, how do we do this? >> let's get under way before tn us. our trip down river will take us some 120 kilometers even deeper into the jungle. but instead of kurtz and his ivory horde, a crumbling belgian