Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Li Xin)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ma Ning)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Ding Hongfa)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Chen Yehua)

Photo taken with a mobile phone shows clouds during a sunny day in Beijing, capital of China, July 14, 2022. (Xinhua/Li Xin)