Raissa experiences lion dance at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa attends the welcome ceremony of the 12th Chinese Bridge proficiency competition for foreign secondary school students in Zhengzhou, central China's Henan Province, Oct. 22, 2019.

Raissa interacts with her friends before performing at the 12th Chinese Bridge proficiency competition for foreign secondary school students in Zhengzhou, central China's Henan Province, Oct. 24, 2019.

Raissa sings a Chinese song at the 12th Chinese Bridge proficiency competition for foreign secondary school students in Zhengzhou, central China's Henan Province, Oct. 24, 2019.

Raissa tries facial makeup flan painting at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa (L Front) plays waist drum at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa experiences the Cupping therapy of traditional Chinese medicine at Henan Provincial People's hospital in Zhengzhou, central China's Henan Province, Oct. 27, 2019.

Raissa (3rd L) watches lion dance performance at Sisa University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa (down, L) watches lion dance performance at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa (L) experiences oracle bone script writing at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa observes moxibustion of traditional Chinese medicine at Henan Provincial People's hospital in Zhengzhou, central China's Henan Province, Oct. 27, 2019.

Raissa tries the Scrape therapy of traditional Chinese medicine at Henan Provincial People's hospital in Zhengzhou, central China's Henan Province, Oct. 27, 2019.

Raissa experiences dragon dance at Sias University in Zhengzhou, central China's Henan Province, Oct. 28, 2019.

Raissa learns to weigh traditional Chinese medicine at Henan Provincial People's hospital in Zhengzhou, central China's Henan Province, Oct. 27, 2019. Seventeen-year-old Raissa was born and bred in the Comoros, an island country in the Indian Ocean. (Photos: Xinhua)