3 18 the southern Sichuan-Tibet line was officially opened to traffic on 1958. The southern line starts from Ya 'an, passes through the national highway 108, crosses Erlang Mountain to the west, crosses Dadu River, Yalong River, Jinsha River, Lancang River and the upper reaches of Nujiang River, enters Tibet through Yajiang, Litang and Batang, and then passes through Mangkang, Zuogong, Bangda, Basu, Ranwu, Bomi, Linzhi and Mozhugongka. The southern section of the 3 18 Sichuan-Tibet line is on the 30-degree north latitude line and is known as the "China people's landscape avenue"-the 318 national highway. Plains, mountains, canyons, rivers, grasslands, glaciers, rivers, canyons, forests, wild flowers, Haizi, snow-capped mountains, lakes, hot springs, houses and other very different scenes are extremely beautiful and eye-catching. You will climb 10 more than 4,000 meters above sea level, cross Jinsha River, Nujiang River and Lancang River, and keep dancing on the earth and in the clouds. It is said that Chi Mei and Qi Xian coexist. A variety of residential styles, costumes, national customs, languages and even belief symbols immerse you in a colorful national corridor.
In 2006, chinese national geography magazine gave a comprehensive and in-depth introduction to 3 18 National Highway.
To enter Tibet along the Sichuan-Tibet highway, you have to climb mountains and mountains and cross rapids and rapids. This road is difficult and dangerous. The snow peaks in the distant mountains rise abruptly, and countless silver lights shine under the blue sky under the sunlight. Adjacent to the canyon, the mountains are undulating and criss-crossing, and the forest is vast and the forest is dyed. From the moment you set out, you began to interpret the unforgettable beauty ... it is a blessed place for travel and adventure lovers and photographers.