User blog comment:Kacj321/The Elder Scrolls V: Skyrim is Enormous IGN Artical Two New Screenshots/@comment-1915112-20110419233820/@comment-3418587-20110421001433

They've probably gone and divided up the pro's of high athletics/acrobatics and put them into perks. Again, not a fan of the perk heavy notion, since it was better being able to change track with the one character, instead of needing to start over just to try new things.

Maybe they want no way around their impassable terrain, which would suck. I see a lot of rocky denied access in these trailers that really restrict where you can trailblaze. Reaching the top of a mountain is looking more like taking the right road than any acrobatic challenge.