1. Magnificent scenery: National Highway 3 18 is a famous scenic spot in China, and is regarded as one of the most beautiful highways in the world. Through the natural landscapes such as the Qinghai-Tibet Plateau, Sichuan-Tibet region and Yarlung Zangbo River Grand Canyon, you can enjoy the breathtaking scenery such as majestic peaks, magnificent canyons and swift rivers along the way.

2. Challenge sections: National Highway 3 18 passes through a complex area with many sections with high altitude and steep road conditions, which provides unique experiences and excitement for road trip and cycling enthusiasts who like challenges.

3. Cultural Heritage: There are many historical and cultural cities and places of interest along the 3 18 National Road, such as Kangding, Danba and Ya 'an. These places are rich in Tibetan culture and historical relics, which is a rare experience and learning opportunity for people interested in history and culture.

4. High degree of freedom: To go to road trip, cyclists choose to take National Highway 3 18, and can freely plan their itinerary and stay time, which is not limited by public transport schedules and route arrangements. They can stop to enjoy the scenery, explore local characteristics and enjoy the experience of free travel according to their own preferences and interests.

However, it should be noted that due to the complex terrain and steep road conditions in the area where National Highway 3 18 passes, it is necessary to have certain driving or riding skills and experience when driving or riding, and at the same time, it is necessary to make full preparations, including vehicle or bicycle maintenance and emergency items preparation. In addition, pay attention to the weather and road conditions to ensure safe travel.

Generally speaking, road trip and cyclists choose National Highway 3 18 to pursue unique scenery and experience, and at the same time, they need to make full preparations and safety awareness to ensure the smooth and safe travel.