http://privat.bahnhof.se/wb220832/TEMP/leftchamber.jpg
http://privat.bahnhof.se/wb220832/TEMP/nofloorwalls.jpg
http://privat.bahnhof.se/wb220832/TEMP/looklike.jpg
I assume you reloaded an earlier save and/or exited and entered the cell again.
That could easily fix a random bug where some statics just didn't render correctly.
But no matter what type of problem you have, if you use mods we do need to see your load order.