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It's Throwback Thursday, and this week we're going back to the inaugural TomorrowWorld festival. In September 2013, Tomorrowland ventured outside it's home of Boom, Belgium for the very first time, establishing what is now one of the most anticipated festivals of the year, TomorrowWorld. It's first-ever stint in Chattahoochee Hills, Georgia (just outside of Atlanta) proved to be a wildy successful one. With this year's two-weekend decade celebration of Tomorrowland now in the rear-view mirror, we're looking towards the second annual TomorrowWorld festival, which is set to host the premier lineup of this festival season. Now, take a look back at last year's festivities with the gallery above. Happy #TBT!

Buy tickets to TomorrowWorld here!

Also, check out:

TomorrowWorld's Phase 2 Lineup

TomorrowWorld Magical Bus Voyages

Tomorrowland Weekend 1: The 15 Best Pics & Videos