Climbing without a safety rope, also known as "unprotected climbing" or "free climbing", is exciting and fun, but also comes with huge risks and challenges. Here are some of the main challenges and fun: I. Challenges 1. Extremely high risk: The most obvious challenge is safety risk. Without a safety rope, any mistake may lead to serious injury or even life-threatening, so every step and every grip requires extreme caution and precision. 2. Psychological pressure and fear: Facing vertical or even suspended rock walls, without any "backward guarantee", climbers must face the fear of heights, falling and failure, and learn to stay calm and make clear decisions under pressure. 3. Technical and physical requirements: Unprotected climbing requires climbers to have very sophisticated climbing techniques and strong physical fitness. Every movement and every position adjustment requires accurate calculation and control, and any small mistake may cause danger. 4. High concentration and judgment: Without the help of a safety rope, climbers must devote themselves to constantly assessing the condition of the rock wall, the stability of the grip and the balance of the body, which requires extremely high reaction speed and judgment. 2. Fun and satisfaction 1. Extreme sense of freedom: Without the restraint of safety equipment, climbers can feel more integrated with the rock wall. Every action represents the freedom and pure experience of fighting against gravity and self-breakthrough. 2. Extreme mental concentration: In a high-risk environment, climbers tend to enter a "flow" state, concentrating on the present, and every successful climb can bring a deep sense of accomplishment and psychological satisfaction. 3. Self-challenge and growth: Unprotected rock climbing greatly tests personal will, skills and courage. Successfully completing an unprotected climb is not only a physical exercise, but also a huge improvement and breakthrough in psychology and willpower. 4. Deep connection with nature: Experiencing extreme sports on the rock wall can make people feel the power and charm of nature more directly. This direct dialogue with nature often makes people feel a unique awe and love. Warm reminder: In any case, unprotected rock climbing is a highly extreme sport, which is only suitable for experienced climbers. They should consider trying it after a long period of training and mental adjustment. For those who love rock climbing, safety should always be put first. It is recommended to try and train under the guidance of professional coaches and use necessary safety equipment to ensure your own safety.