A combination of cold weather and just the right amount of wave motion has caused strange frozen spheres to cover a Finnish beach
Source:
https://www.newscientist.com/article/mg24432564-000-spectacular-ice-eggs-have-washed-onto-a-beach-in-finland/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home