Halo 3 Single player campaign – New 8 minutes of never-before-seen video

Gametrailers.com user "XSavage" have posted a new, never-before-seen video of Halo 3’s single-player campaign. The footage shows gameplay of the level "Sierra 117?. It appears that Bungie is leaning towards more open-ended combat areas, which in the past has provided numerous memorable Halo single-player experiences.