Icicles can form during bright, sunny, but subfreezing weather, when ice or snow melted by sunlight or some other heat source (such as a poorly insula

---

Icicles can form during bright, sunny, but subfreezing weather, when ice or snow melted by sunlight or some other heat source (such as a poorly insulated building), refreezes as it drips off under exposed conditions. Over time continued water runoff will cause the icicle to grow.

---

Size: 4205px × 3000px
Photo credit: © Richard Uhlhorn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: cold, freezing, icicles, pretty, solid, water, winter