Preview: Pavilions of 2019 Beijing horticultural expo

The aerial photo shows the multicolored, butterfly-shaped Guirui Theater, Yanqing district of Beijing, March 31, 2019. The venue will host the opening and closing ceremonies of the 2019 Beijing International Horticultural Exhibition, which will be held from April 29 to Oct. 7, 2019. [Photo: VCG]