Snow-day delight as penguins waddle out to play
During a winter storm on Jan. 25, Pittsburgh bundled up indoors, while penguins at the Pittsburgh Zoo & Aquarium marched into the snow, flapping, sliding and clearly enjoying the wintry scene.
As featured on
The first quarter of the 21st century was unusually warm by historical standards, so a prolonged cold spell this winter is unfamiliar to many people, especially younger Americans.
