Fence with barbed wire

razor wire barbed wire fence barbed hook prison wire prison escape prisoner political prisoner barricade tape prisoner of war construction barrier freedom boundary telephone line metal protection security private sign forbidden sky criminal security system cloud - sky crimea criminal investigation iron - metal crime metal industry business finance and industry film - moving image non us film location russia hurdle cable danger war gear - mechanism 1080p blue symbol horizontal privacy international landmark hd format razor crime scene warning sign urban skyline sharp police force wireless technology capital cities travel destinations metallic outdoors political rally electric plug in silhouette forbidden city