A staff presents Burundian music instrument on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Burundian artists perform on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Visitors view the folk crafts on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Staff present Burundian folk crafts on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, on May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Burundian artists perform on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Burundian artists perform on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Burundian artists perform on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)

Burundian artists perform on the Burundi Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 31, 2019. The Burundi Day event kicked off here on Friday. (Xinhua/Li Xin)