Harbin Ice Festival

Photo: ChinaFotoPress via Getty Images

Tourists explore colorful ice castles on Jan. 5 at the 30th Harbin International Ice & Snow Sculpture Festival in Harbin, China.

Located within the bitterly cold Heilongjiang province of northeastern China, the annual winter festival began in 1985 as a way for Harbin to make the most of its frigid environment.

Running from January to February, the world famous festival features castles, skyscrapers, playgrounds and other sculptures made entirely out of ice and snow.

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Harbin Ice Festival

Photo: Lintao Zhang/Getty Images

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Harbin Ice Festival

Photo: ChinaFotoPress via Getty Images

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Harbin Ice Festival

Photo: Lintao Zhang/Getty Images

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Harbin Ice Festival

Photo: Lintao Zhang/Getty Images

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Catie Leary is a photo editor at Mother Nature Network. Follow her on Twitter and Google+.