If you pursue extreme activities to stimulate adrenaline rush and rapid heartbeat, the following are some high-risk options that can bring strong physical and psychological stimulation. However, please be sure to note: **These activities are extremely dangerous and may be life-threatening. They require professional training, equipment and team support. Do not try them alone.**. --- ### **1. Extreme sports** -**Wingsuit Flying (Wingsuit Flying)** Jumping from a high altitude and flying against the mountain at a speed of more than 200 kilometers per hour, the fault tolerance rate is extremely low, and it is called the "sport closest to death." -**Unprotected rock Climbing (Free Solo Climbing)** Climbing hundreds of meters of cliffs with bare hands (such as El Capitan), any mistake can be fatal, and it is only suitable for top rock climbers. -**Deep-sea freediving (Competitive Freediving)** Diving to a depth of 100 meters without the help of oxygen equipment is at risk of hypoxia, water pressure and nitrogen intoxication. ### **2. Speed Challenge Class** -**Downhill Mountain Bike (Downhill Mountain Cycling)** Swooping at high speed from steep slopes, jumping rocks and tree roots, the risk of fracture and concussion is extremely high. -**Jetpack Flying (Jetpack Flying)** If you use a high-pressure water flow or a jet engine to vacate the air, loss of control may cause a high-altitude fall. ### **3. Adventure exploration** -**Volcano Skateboarding (Volcano Boarding)** Rushing down from the slopes of an active volcano with a special skateboard, high temperature and sharp lava are a deadly threat. -**Cave Diving (Cave Diving)** Navigating in dark and narrow underwater caves can easily become disoriented or run out of oxygen. ### **4. Confrontation/survival** -**Interact with wild animals** Such as zero-distance contact with wild crocodiles and venomous snakes (accompanied by a professional), or participating in African wildlife tracking. -**Survival challenge** Survive without equipment in the wilderness and face dehydration, hypothermia, or beast attacks. --- ###**️️Important Warning** -**Law and Ethics**: Some activities may be illegal or damage the environment (such as trespassing in restricted areas and interfering with wild animals). -**Psychological preparation**: Extreme fear may lead to loss of control, causing heart disease or shock. -**Alternative plan**: If you want to experience the excitement relatively safely, you can try bungee jumping, skydiving (double), racing co-pilot and other projects with protective measures. **True courage is not to ignore risks, but to face challenges after being fully prepared. ** If you are determined to try, be sure to receive professional training, purchase insurance, and ensure that a rescue team is on standby.