Dancers perform at the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

Dancers perform at the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

People visit the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

People visit the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

A visitor tastes cookies with flower filling at the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

A visitor tastes Pu'er tea at the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)

People visit the Yunnan Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 11, 2019. The "Yunnan Day" event was held at the Beijing International Horticultural Exhibition on Sunday. (Xinhua/Zhang Chenlin)