British-American explorer, 55, becomes first woman to scale Earth’s highest and lowest points

A British-American explorer has become the first woman to scale Earth’s highest and lowest points, as she reaches the bottom of the Mariana Trench after climbing Mount Everest. Vanessa O’Brien travelled via a submersible to the Earth’s lowest point, the bottom of Challenger Deep, on June 12 for a surveillance mission. The 55-year-old dived 10,925metres below … Read more