Virtual fencing uses behavior modification based on audio and electrical cues from a collar device to keep cattle within a virtual boundary using GPS. The collar can be controlled by a phone ...

Peñaloza, the presidente municipal, or mayor, of Nogales, Mexico, ordered construction of a fence running along the boundary line between ... rusted steel border wall is a defining feature ...

The border wall system running through San Diego County has been one of the most fortified stretches in the southwest for ...

Fences where confusion arises over ownership are typically those on a boundary. A boundary can also be marked by a wall, hedge, ditch, a piece of wire or even just the edge of a driveway.