Emotional Viral Video Looks Back at What Brought Us Together in 2012

A tear-jerking viral video, called "2012: What Brought Us Together," is making the rounds online.

Posted to YouTube on Tuesday, the six-minute video is a montage of major moments over the past year, from silly to serious. Set to the music of This Will Destroy You's "The Mighty Rio Grande," It includes clips about Hurricane Sandy, KONY 2012, the Costa Concordia disaster and the suicide of Amanda Todd.

Although the video starts on a melancholy note, its latter half features more lighthearted fare such as NASA's Mars rover landing, the London Olympics and Grumpy Cat.

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