barbed wire. drawing

abstract art backdrop background barbed barbwire barrier black blue border boundary calm camp chain closeup crime criminal danger dark defense drawing drawn dusk engraving evening fence freedom graphic guard hand heaven illustration ink isolated jail line nature night nightfall nighttime obstacle old outdoor paper pattern pen picture prison protect razorwire retro row safety scene scenery seamless set sharp silence silhouette sketch sky space spike star starry style text texture twilight vector view violence warning winter wire zone