Photo taken on June 2, 2018 shows an agronomist doing artificial pollination for pitaya flowers in Sihong, east China’s Jiangsu Province. (Photo by Zhang Lianhua/ Guangming Picture)
Photo taken on June 2, 2018 shows pitaya flowers in full blossom in Sihong, east China’s Jiangsu Province. (Photo by Zhang Lianhua/ Guangming Picture)
Photo taken on June 2, 2018 shows an agronomist doing artificial pollination for pitaya flowers in Sihong, east China’s Jiangsu Province. (Photo by Zhang Lianhua/ Guangming Picture)