Glue

How should this work?

Hey Guys, i noticed that i have at military buildings some grafic errors, they don't allow me to check the logation, or watch the location from outside. i would say that this isn't an error of my own pc, cause my model is pretty new... so i would say that it's something from other players intention, to hide military bases, or make them unsave for other players... Pls help me, cause i like the game, and hate the shit bugs or cheater ;D (sry for the bad english, i'm from germany:))