Mountaineer and explorer Saray Khumalo became the first Black African woman to summit Everest - but it was far from a simple trip. Three previous attempts had been thwarted by lethal landslides, earthquakes, bad weather and, sadly, numerous deaths. However, this didn't stop Saray's drive and determination to push towards her dream. Listen to all episodes and discover more about How to Be Superhuman at http://redbull.com/superhuman