GENER8ION f/ M.I.A. "The New International Sound Pt. II" (Inigo Westmeier, dir.)
Who needs CGI when you've got 36,000 kids from China's Shaolin Tagou fighting school willing to kick ass on a large scale?
And if this seems awesome, make sure you check out the movie Dragon Girls, which according to the YouTube credits, seems to be the source of this awesomeness.