radioactive: round yellow radioactive ionizing radiation danger painted on a massive rusty metal wall.

abandoned aged atomic background building caution contamination corrosion danger dark derelict design dirty emission energy enter factory grunge grungy hazard industrial ionizing iron life massive material metal not nuclear old painted plate plutonium pollution power radiation radioactive radioactivity reactor rough round rust rusted rustic rusty safety sign steel surface symbol texture threatening uranium vignetting wall warning waste weathered yellow