Glitch: Bone Tower Shard in Emprise du Lion

I have all but one of the shards. The one I'm missing is spotted with the Tower of Bone ocularum in Emprise du Lion. I've watched the walkthrough video on youtube, so I know where it should be, but in my game, the flags all the way to the right are only blowing ever so gently in the breeze and are blocking my view/ability to register the shard. In the walkthrough, the wind is blowing more aggressively and the flags are closer to parallel to the ground. I'm running on xbox 360 here, so I wonder if perhaps this is just a sad "we didn't really do the graphics for your system" error. Has anyone else had this problem and does anyone have any suggestions? I've found all of the other shards and would like to be able to complete the quest set. 

Also, as a curiousity question, since I don't hold out hope of completing: when you've opened all of the shard doors in the three elements, does the non-interactive shard door you see right as you walk into the cave do anything? I can't remember interacting with it before (although it's possible I did so weeks ago), and it looks like it might be neat.