Tengchong Beihai Wetland consists of two lakes, the Beihai Lake and the Qinghai Lake. Beihai lake is a natural perennial marshland and belongs to the plateau volcanic barrier lake system, while Qinghai lake, located between mountains in the eastern part of the Beihai lake with an altitude of 1960 meters, is a typical alpine lake. Among three exiting acid lakes in the world, the Qinghai lake is slightly acidic, which is reputed as “Holy Shrine”. A proverb is widely spread among the local people that “Beihai is boundless, while Qinghai is bottomless”. Both lakes are connected through a underground river, but nowadays, they are treated differently that Beihai is well-known all over the country, whereas Qinghai is enjoy tranquility in an obscure state.

     The Tengchong Dongjing Music Organization has developed into twelve associations by the middle of the Republic of China through, and each association has posts of chairman, steward, custodian, etc. Dongjing music is customarily regarded as a sacred music, symbolizing auspiciousness or mournfulness. Strict rules and regulations are imposed for each participant, and selective membership and disciplinary constraints are required as well. 

There are more than 40 titled tunes of Tengchong Dongjing music which are divided into tunes and songs. Its instruments are mainly divided into percussion, cloud music and string music.

     There is a very touching legend about the Beihai Wetland and the Qinghai Lake. Once upon a time, there was a little white dragon, who was the patron saint of Beihai, a green dragon, who a daughter of the Dragon King. Since their childhood, they lived and played together, holding deep attachment towards each other. After the white dragon returned to Beihai where he was born, the green dragon missed him so much that she became thinner, finally she ran out of her home on her own and looked for her love. They got together again and spent a happy and carefree time. Unfortunately, good times did not last long. Their relationship was discovered by the Dragon King, who immediately forced the green dragon back to the Dragon Palace. Upon their arrival, the Dragon King arbitrarily planed to marry his daughter to the black dragon. Failing to defy her father, the green dragon asked him to spare her a day, and the latter agreed. On the first day of the wedding, the green dragon came to Beihai, the white dragon’s home, but she hardly dared approach, since she was afraid that she would never return once meeting her love. She only saw him from a distance, with sad tears trickling down her cheek. When her tears fell on the ground, suddenly lightning and thunder appear, following by wind and rain, loud noises, and the earth collapsed, the flood spewed out, and the whole mountain instantly turned into a lake. The green dragon rose high into the air and then jumped into the water, and lived here from then on, and the place was called Qinghai Lake (“Qing” mean “Green” in Chinese). Nowadays, when in rainy day, the locals often jokingly say that it is just a time for both dragon lovers to meet in private. The Qinghai Lake is a typical alpine lake, the water is slightly acidic, while the water of Beihai Lake is weakly alkaline. When it rains, the Beihai Lake often turns slightly acidic due to the influence from the Qinghai Lake. Legend has it that upon arriving the lake, young men and women can have a taste of sweet love when they hold a handful of water for each other.