Workers are busy making final lighting checks to the expo pavilions and gardens in the evening to ensure they will shine during the 2019 Beijing International Horticultural Exhibition, which will kick off on April 29. /VCG Photo

At the center of the expo site stands the Chinese Pavilion, a curved exhibition hall in the shape of "ruyi," a traditional Chinese ornament symbolizing good fortune. /VCG Photo

Streetlights in the site of the global event are all specially designed, which can not only change color but also cast different patterns of plants on the ground. /VCG Photo

See various kinds of plants while courtyards outside of the pavilions are dotted with colorful lighting, forming a “sea of flowers” in the evening. /VCG Photo