Adding BlockBullet layers to all stairs and some small 'ledges' to minimise the likelihood of soldier rockets being absorbed due to http://forums.tf2maps.net/showthread.php?t=20749
http://imgur.com/GcQn9Tj,lC8OtgD,LGrlvmT


 Adding some small PlayerClip brushes to the floor to make movement slightly smoother
http://imgur.com/kcz920y,rddr0KW


Removing being able to stand on the red spots while leaving in being able to stand on the green spots (green spot adds angles while red doesn't)
http://i.imgur.com/iFpaHXA.png

remove these small poles that you can stand on on blu side
http://puu.sh/chNNE/1b05bb363b.jpg

Make this fence a playerclip but make it not block bullets/explosions to make spamming obnoxious minisentries/people in that position easier without getting the splash bug talked about above
http://i.imgur.com/p3CPshO.jpg

fix the rocks at point so their collision matches the model more accurately, example of it's poor collision:
http://i.imgur.com/WtFyUQy.png

Replacing the fence here similar to as we did with the fence next to china because it has the same issues (sticky explosions going through it, small gaps that you can shoot through etc)
http://i.imgur.com/ELBNqFR.png

Remove the gaps below this platform by closing it off with walls to avoid explosion issues and some other stuff
http://i.imgur.com/O4nmWGD.png

Replace this fencing with something the same size but with less gaps
http://i.imgur.com/nDF2Nfb.jpg