I tried the blue Protoss one and it wouldn't work.
I tried the metallic one, and it blocks the path under it, but units can move on it. However, a Hunter Killer moving over the bridge will be at ground height (not the bridge's).
None.

Symmetry -- I dreamed about that as a kid. The idea of a computer capable of analyzing a starcraft map and calculating the fastest possible way to hit the victory condition
NudeRaider -- NudeRaider
NudeRaider -- Oh_Man
Vrael -- perhaps there is a small professional player trapped in a box in the server rack where pluto is running? hmm?
DarkenedFantasies,
Symmetry