Catalystفصل 10 افزودن تصویرشماره قسمت8Bubble Mining - Monkey Malaria - Elephant TrainingOverviewMalaria jumps the gap from monkey to man; could bubbles be a solution to the hard hit mining industry? And see how a horse trainer applies his skill to the training of elephants, with remarkable success.Air dateApril 2, 2009Runtime (min)30