Tourists daub rice ash onto each other during the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Jing Huihui)

Tourists daub rice ash onto each other during the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Jing Huihui)

A girl takes part in the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Jing Huihui)

Tourists take part in the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Jing Huihui)

Tourists take selfies as they daub rice ash onto each other during the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Pu Chao)

Tourists daub rice ash onto each other during the Hualian Festival in Qiubei County of southwest China's Yunnan Province, July 18, 2017. The Hualian Festival is a traditional annual festival of the Yi ethnic group in Qiubei County where people express best wishes by daubing black rice ash on face to get good luck. (Xinhua/Pu Chao)