Ice flows in the Tanana River at sunset during freeze up in early winter; Alaska, United States of America PacificStock
Polar bear (ursus maritimus) laying alongside a thawing pond waiting for Hudson Bay to freeze over; Churchill, Manitoba, Canada PacificStock
Many a winter's night she flies through the streets and peeps in at the windows, and then the ice freezes on the panes into wonderful patterns like flowers. Illustration by Edmund Dulac for The Snow Queen. From Stories from Hans Andersen, published 1938. PacificStock