A woman cooks rice for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

Photo taken on June 20, 2019 shows oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

A woman filters oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

Photo taken on June 20, 2019 shows the fried rice for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People make glutinous rice cakes for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People make oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People make glutinous rice cakes for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

A woman selects ingredient for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People make glutinous rice cakes for oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People pour cooked oleic tea into the bowls with ingredients in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)

People make oleic tea in Xinzhai Village of Weijiang Township in south China's Guangxi Zhuang Autonomous Region, June 20, 2019. People of the Miao ethnic group in the village have the tradition of drinking oleic tea in their daily life, also for welcoming guests. The technique of making oleic tea was enlisted as one of the intangible cultural heritages of Guangxi in 2018. (Xinhua/Huang Yongdan)