S: 长白; T: 長白 (cháng bái), Changbai is a county in Jilin Province in N.E. China known in full as 长白朝鲜族自治 (cháng bái cháo xiān zú zì zhì xiàn), Changbai Korean autonomous county. It has been home to ethnic Koreans for centuries.
It is also home to S: 长白山; T: 長白山, (cháng bái shān), Changbai mountain. This is an extinct volcano on the border with North Korea. The volcano's crater is now S: 长白山天池; T: 長白山天池 (cháng bái shān tiān chí), Changbai Mountain Heavenly Lake, a major tourist attraction for Chinese visitors.
The area is also famous for its S: 人参; T: 人參 (rén shēn), ginseng, Panax ginseng, a herbal root widely used in TCM. The plant is extinct in the wild but still cultivated here. It is expensive as it takes five years to be ready to come to market.
Ginseng root
It is made into tea and is also a common addition to chicken soups, as mentioned above. S: 参鸡汤; T: 參雞湯 (shēn jī tāng), ginseng chicken soup is considered by many people to be healthful. There is little evidence to support this view.
Ginseng chicken soup
The US National Center for Complementary and Integrative Care (NCCIH) has a balanced report on ginseng's efficacy or lack of, along with health warnings regarding its use by children and pregnant or breast feeding women at this link.
https://www.nccih.nih.gov/health/asian-ginseng
