Keywords
barrel, barrier, black, black background, color, concepts & topics, danger, english culture, environmental protection, focus on foreground, german culture, horizontal, metal, no people, nuclear energy, photography, protective barrier, radiation, radioactive warning symbol, radioactivity, risk, safety, sign, signs and symbols, social issues, studio shot, symbol, text, threats, toxic substance, two objects, unknown, warning, warning sign, warning symbol, western script, yellow, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 907061