Keywords
caucasian ethnicity, colleagues, color, colour, culture, development, elderly man, female, front view, grey hair, head and shoulder, horizontal, indoor, lab coat, lifestyle, looking at camera, male, man, portrait, posing, professionals, protective glasses, r & d, r & d matters, r&d matters, research, science, scientists, serious, studio shot, technology, together, two people, white background, woman, young woman, 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, u13329979