animal animals Aviary beak bird birds claw claws eagle eagles feather feathers park sharp zoo background broken cut desktop explode explosion Fractal fractals glass math mathematic mathematical mathematics maths bloom bright bush colour flower flowers fly gorse insect spring strong sun vivid yellow cyprus dry mediterranean natural nature parched plant prickle Prickly spike spine spiny thistle wild barbed barrier danger fence grey keep out metal railings security spikes top twisted wire autumn close-up droplet flora focus green macro purple soft water 24 hours 24/7 cage closeup constraint coverage daily day hour round the clock time hard iron many nail nails random screw screws shine shiny steel texture thousands tool tools battered black blunt draw isolated lead old pen pencil point stripe wood wooden write banned bend caution cutout left prohibition right road roadsign roadsigns sign signs turn turning