The sun took on a "halo" in the sky over Dali City, SW China's Yunnan. A halo, also known as a circular rainbow, is caused by refraction or reflection of sunlight as it passes through cirrostratus clouds. #halo #Dali #Yunnan
The sun took on a "halo" in the sky over Dali City, SW China's Yunnan. A halo, also known as a circular rainbow, is caused by refraction or reflection of sunlight as it passes through cirrostratus clouds. #halo #Dali #Yunnan
