Imagine strolling on a beach and finding a bed of eggs. Not bird or turtle eggs, ice eggs! These hen’s egg to soccer ball sized eggs were found on the coast of Finland on a freezing day. A rare find, these eggs are formed as chunks of sea ice are broken off by wave action, rounded in the waves and then refrozen as they tumble in the surf and polished—just like real eggs.
See and read more at: https://www.livescience.com/ice-eggs-in-finland-beach.html