No science fiction, but reality: The sun over Chongqing carries a colorful ring on Monday. This is a rare celestial phenomenon called halo. It is caused by reflection and refraction of light on ice crystals floating in the air.
Published: May 16th, 2023,
Last updated: May 16th, 2023
No science fiction, but reality: The sun over Chongqing carries a colorful ring on Monday. This is a rare celestial phenomenon called halo. It is caused by reflection and refraction of light on ice crystals floating in the air.