A child wears sunglasses as protection against sunlight in Beijing, capital of China, May 22, 2019. Beijing's observatory issued a yellow alert on Tuesday for high temperatures over the next four days. Temperature could rise to 35 degrees Celsius from Wednesday to Saturday, and reach up to 37 degrees Celsius on Thursday. (Xinhua/Zhang Chenlin)
A pedestrian (L) puts a jacket over her head and shoulders as sun shade in Beijing, capital of China, May 22, 2019. Beijing's observatory issued a yellow alert on Tuesday for high temperatures over the next four days. Temperature could rise to 35 degrees Celsius from Wednesday to Saturday, and reach up to 37 degrees Celsius on Thursday. (Xinhua/Zhang Chenlin)
A pedestrian (2nd L) uses a personal item as sun shade in Beijing, capital of China, Beijing's observatory issued a yellow alert on Tuesday for high temperatures over the next four days. Temperature could rise to 35 degrees Celsius from Wednesday to Saturday, and reach up to 37 degrees Celsius on Thursday. (Xinhua/Zhang Chenlin)
Pedestrians hold umbrellas as sun shade in Beijing, capital of China, May 22, 2019. Beijing's observatory issued a yellow alert on Tuesday for high temperatures over the next four days. Temperature could rise to 35 degrees Celsius from Wednesday to Saturday, and reach up to 37 degrees Celsius on Thursday. (Xinhua/Zhang Chenlin)
Pedestrians hold umbrellas as sun shade in Beijing, capital of China, May 22, 2019. Beijing's observatory issued a yellow alert on Tuesday for high temperatures over the next four days. Temperature could rise to 35 degrees Celsius from Wednesday to Saturday, and reach up to 37 degrees Celsius on Thursday. (Xinhua/Zhang Chenlin)