Dancers perform on the Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, on May 27, 2019. The Shanghai Day event kicks off on Monday. (Photos: Xinhua/Ren Chao)

People visits Shanghai Garden on Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 27, 2019. The Shanghai Day event kicks off on Monday.

Artists perform on the Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 27, 2019. The Shanghai Day event kicks off on Monday.

A woman visits Shanghai Garden on Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 27, 2019. The Shanghai Day event kicks off on Monday.

People visit Shanghai Garden on Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 27, 2019. The Shanghai Day event kicks off on Monday.

People visit Shanghai Garden on Shanghai Day of Beijing International Horticultural Exhibition in Beijing, capital of China, May 27, 2019. The Shanghai Day event kicks off on Monday.