A rare weather phenomenon that saw white clouds cut in half an otherwise clear blue sky is seen in Shanghai, Oct. 10, 2019. Weather authorities said the phenomenon was a result of the meeting of dry and wet air masses. (Photo: China News Service/Wang Yadong)
A rare weather phenomenon that saw white clouds cut in half an otherwise clear blue sky is seen in Shanghai, Oct. 10, 2019. Weather authorities said the phenomenon was a result of the meeting of dry and wet air masses. (Photo: China News Service/Wang Yadong)
A rare weather phenomenon that saw white clouds cut in half an otherwise clear blue sky is seen in Shanghai, Oct. 10, 2019. Weather authorities said the phenomenon was a result of the meeting of dry and wet air masses. (Photo: China News Service/Wang Yadong)
