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16 million bulbs for Christmas lights exhibition in Colombia

Raul Arboleda / AFP - Getty Images

Luis Eduardo Noriega / EPA

General view of the Christmas lights in Medellin.

People attend the Christmas lights in the Medellin river on Thursday, Dec. 7, 2012. The Medellin's Christmas lights exhibition is one of the most impressive in Colombia.

Luis Eduardo Noriega / EPA

Two girls watch the Christmas lights.

Luis Eduardo Noriega / EPA

A girl plays next to the Christmas lights.

Robert Pratta / Reuters

As temperatures drop and snow begins to fall, take a look at beautiful light displays from around the globe.