Edwin Milla, right, on the summit of Huascarán, Peru’s tallest mountain at 22,205 feet (6,768 meters). Nationality: Peruvian. Occupation: Mountain guide. Missions with C4C: Peru 2011, 2013, 2013, 2015, 2017, 2018, and 2022. How long have you climbed? Since 15 years of age. Types of cli...