Halo Fest: Halo 4 Concept Art Sneak Peek

Get a sneak peek at some of the concept art from Halo 4 in this trailer from Halo Fest.

Get more Halo Fest content here:
http://www.ign.com/events/halo

Also be sure to subscribe to IGN's Halo channel at.
http://www.youtube.com/haloIGN