I found these glitches. Please watch the videos.
Get inside the mountain through sniper port. http://www.xfire.com/video/1b2c89/
there are many ways to do this, and you can do it on both sides.
Get damaged by going on the bridge.... really... http://www.xfire.com/video/1b2c8c/
This is the biggest glitch. you can jump in a rock and go inside the mountian. i sugest you put up party lights and a rave dance floor in the middle. you'll see once you watch. http://www.xfire.com/video/1b2c74/
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