Core Viewpoint - The article discusses the dangers of the "Ao Tai Line" in the Qinling Mountains, highlighting the high fatality rate and the challenges faced by both hikers and rescue teams [2][11][22]. Group 1: Incidents and Risks - The "Ao Tai Line" has seen over 60 deaths since its development, with memorials erected for victims [2][11]. - A recent incident involved a marathon runner who was trapped for 12 days and ultimately succumbed to hypothermia [13][20]. - The line is notorious for its deceptive accessibility, leading inexperienced hikers to underestimate its dangers [11][12]. Group 2: Rescue Operations - Rescue operations on the "Ao Tai Line" often involve large teams and advanced coordination, including helicopter support [3][25]. - Experienced rescuers must have previously traversed the line to participate in rescues, ensuring they are familiar with the terrain [25]. - The rescue process involves assessing the situation based on the last known contact and the victim's equipment, which helps determine the likely location and condition of the lost individual [26][29]. Group 3: Environmental Challenges - The unique geographical position of the "Ao Tai Line" leads to rapid weather changes, with temperature fluctuations of up to 50 degrees Celsius [20]. - The area is prone to sudden snowstorms and freezing rain, which can quickly lead to hypothermia for stranded hikers [20][21]. Group 4: Personal Experiences and Perspectives - The article features a rescuer's personal experiences, including the emotional toll of witnessing fatalities and the psychological impact of rescue missions [6][10][39]. - The rescuer reflects on the increasing number of inexperienced hikers venturing onto the line, emphasizing the need for better preparation and awareness [34][35].