Thank your lucky stars someone else funded your fence line. Legally, unless their fences are in your property, you won't be able to change anything.
But! You can always file a lawsuit. We have a resident lawyer who (depending on your location) would love to take your money. Low expectations would be prudent tho.
"I cant wait to see if he plays this week, and if he does if he can actually break 50 percent completion ratio. Haha or maybe even throw for 200 yards. Possibly break a QB rating of 75." - Texas Tatonka www.bigironranchadventures.com