In April 2014 Mark Horrell went on a mountaineering expedition to Nepal, hoping to climb Lhotse, the fourth-highest mountain in the world, which shares a base camp and climbing route with Mount Everest. He dreamed of following in the footsteps of Tenzing Norgay and Edmund Hillary, by climbing through the infamous ice maze of the Khumbu Icefall, and he yearned to sleep in the grand amphitheatre of Everest Base Camp, surrounded by towering peaks. He was also intrigued by the media publicity surrounding commercial expeditions to Everest. He wanted to discover for himself whether it had become the circus that everybody described. But when a devastating