A photographer captures a visible sun halo in Quezon City on Monday. The atmospheric phenomenon occurs when sunlight refracts and reflects off tiny ice crystals suspended in high-altitude cirrus clouds. — Photograph by Analy Labor for DAILY TRIBUNEA photographer captures a visible sun halo in Quezon City on Monday. The atmospheric phenomenon occurs when sunlight refracts and reflects off tiny ice crystals suspended in high-altitude cirrus clouds. — Photograph by Analy Labor for DAILY TRIBUNEA photographer captures a visible sun halo in Quezon City on Monday. The atmospheric phenomenon occurs when sunlight refracts and reflects off tiny ice crystals suspended in high-altitude cirrus clouds. — Photograph by Analy Labor for DAILY TRIBUNEA photographer captures a visible sun halo in Quezon City on Monday. The atmospheric phenomenon occurs when sunlight refracts and reflects off tiny ice crystals suspended in high-altitude cirrus clouds. — Photograph by Analy Labor for DAILY TRIBUNE