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STRANGE BUT TRUE! 83
Frost flowers
This pretty but fleeting phenomenon,
seen here in the Canadian Rockies,
occurs when plants carry water up
from their roots to meet surrounding
frozen air. Ice crystals form, which
spread out and split the plant’s stem
open to reveal the frozen “flowers.”
Polar pancakes
Less tasty than normal
pancakes but much bigger,
ice pancakes develop in polar
regions when bits of foam
floating on rivers and oceans
freeze and knock into one
another. Circular ice blocks
result, enjoyed by these ducks
on a river in sub-zero Belarus.
US_082-083_309600_Ice_Formations.indd 83 19/12/17 12:56 pm
