When the moon casts its glow upon the night sky, it often captivates viewers with its serene beauty. However, on one ...

who took to Facebook to share a photo of the optical phenomenon at about 2.40pm. “A rare and spectacular sight in the skies above! I am told that this phenomenon is known as a 22-degree halo or ...

Hong Kong on Tuesday witnessed a rare natural phenomenon, a halo around the sun, that can be experienced only when meteorological conditions are right. The Observatory posted pictures on its ...