cordisre:A ring of light surrounding a snow-covered tree.Atmospheric ice crystals refract late eve
cordisre:A ring of light surrounding a snow-covered tree. Atmospheric ice crystals refract late evening sunlight and create a ring of light known as a halo, nimbus, icebow, or gloriole. This is a natural optical phenomenon found at very cold temperatures. Erzgeb (by nguyenducbinbin) -- source link