More results...

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
Search in posts
Search in pages
Filter by Categories
NoAds
Uploads
Videos
Greek
New Video
Subtitled
Loading the player...

The halo effect in Sweden

In a ski resort Vemdalen in Sweden, a rare phenomenon called the 'halo effect' or parhelion became visible. It is an optical illusion, due to refraction of solar rays through millions of hexagonal ice crystals floating in the sky.

Leave a Reply

Your email address will not be published.