Anonymous male biologist in white protective suit posing with silver toolbox in hands on background of nature, red dirty river.
More tags scientist, biochemistry, male, men, nature, research, science, ecologist, analysis, microbiology, natural, researching, suit, protective, biological, scientific, posing, technology, researcher, occupation, device, bacteriology, discovery, investigation, professional, pollution, environment, biology, protection, biotechnology, ecology, uniform, environmental, development, observe, anonymous, unrecognizable, horizontal, copy space, looking at camera