Watch the First Trailer for the Tomorrowland Documentary

Courtesy Photo
The trailer for "Tomorrowland."

After a monumental 2015 that included three festivals in Belgium (the original), Sao Paulo, and Atlanta, the organizers of Tomorrowland/World are commemorating the series of dance festivals with a documentary called This Was Tomorrow, which is slated for release on Dec. 1. 

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The first trailer for the film, which dropped over the weekend, features epic-looking footage of the festival's notoriously massive crowds backed by Steve Angello & Mako’s single "Children Of The Wild." Watch the clip below, and visit Tomorrowland's site for more information.