Climbing the mountain is not an easy task, not only to be able to endure harsh weather, but also have a good sense of direction, so he will not get lost in the process of climbing.   A 13-year-old Indian student has become the youngest girl to climb Mount Everest. Malavath Poorna says she felt "great" on reaching the summit on Sunday. The schoolgirl lifted an Indian flag at the top in celebra...