i saw hunter's silo unit idea and i just loved it..so i managed to whip out a simple and quick silo "unit" of my own...its based on those bunker silos you see in the movies... i didnt bother to do sound again....
files are here...
http://www.civfanatics.net/uploads4/silo.zip
preview of the fidget animation
files are here...
http://www.civfanatics.net/uploads4/silo.zip
preview of the fidget animation