Keywords
3d, 3d glasses, 50 to 54 years, 50 to 59 years, adult, alone, assessing, blur, brainstorm, business, businessman, businesspeople, clerk, close, close-up, computer, concentration, contemplation, darkness, detail, differential focus, engineer, engineering, ethnic, examining, eyeglasses, eyewear, focus, focus on foreground, focus techniques, front, front view, futuristic, glasses, goggles, grave, hand on chin, hard work, head and shoulders, headpiece, headset, headshot, heavy industry, idea, image lighting, indoors, industrious, industry, innovation, inspiration, labor, laboratory, looking, male, man, mature adult, mature man, mind, mix, mixed, mixed race, mixed race ethnicity, multi ethnic, multi-ethnic, office, office worker, older, one person, paying attention, pensive, preoccupied, reflect, reflecting, reflective, research, research and development, science, serious, shallow focus, shirt and tie, single, smart, smart clothing, structures, technology, thought, uncertainty, view, view point, virtual reality headset, watch, watching, work, working, working hard, workplace, 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, u67466472