Photo taken with a mobile phone shows people taking photos of blooming flowers at the Beijing Botanical Garden in Beijing, capital of China, March 30, 2019. (Xinhua/Wei Mengjia)

Photo taken with a mobile phone shows people taking photos of blooming flowers at the Beijing Botanical Garden in Beijing, capital of China, March 30, 2019. (Xinhua/Wei Mengjia)

Photo taken with a mobile phone shows a woman taking photos of blooming flowers at the Beijing Botanical Garden in Beijing, capital of China, March 30, 2019. (Xinhua/Wei Mengjia)