Photo taken with a mobile phone shows people walking on a road in Beijing, capital of China, March 27, 2019. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows a man taking photos of blooming flowers at the Beijing International Sculpture Park in Shijingshan District of Beijing, China, March 27, 2019. (Xinhua/Lyu You)

Photo taken with a mobile phone shows blooming flowers at the Beijing International Sculpture Park in Shijingshan District of Beijing, China, March 27, 2019. (Xinhua/Lyu You)