Here’s a neat little natural weather phenomenon discovered along the lakefront in Ajax, Ontario last week:

Notice the snowballs, and no footprints around them! Some even are donut-shaped … only in Canada.

Essentially, I don’t know what the phenomenon is called, but have heard it explained before.

Conditions must be just perfect … specifically:

The result … these naturally rolled snowballs. When the wind is strong or fast enough, it will even create the donuts you see in the pictures.