How “Frozen” Took Over the World

Frozen Fever with Directors Chris Buck & Jennifer Lee - ConservaMom

Frozen Fever - Wikipedia

World of Frozen at Hong Kong Disneyland: Recapping My Experience in the New Land

It's so cold, Niagara Falls is frozen - The Boston Globe

8 Cool Facts About Disney's 'Frozen

40 Below' documentary follows the frozen competitors in 'the world's toughest race

Drone Video: Hong Kong Disneyland Shares New World of Frozen Construction Update

Elfstedentocht: The famed, frozen race that may never return - BBC Sport

Ancient Worms Revived From Permafrost After 46,000 Years - The New York Times