Keywords
30-34 years, achievement, african ethnicity, alternative, alternative energy, ambition, big red chimney, brainstorming, business, businessman, cfl, cfl lightbulb, challenge, change, color image, computer, concentration, concept, conscientious, conservation, conserving, contemplation, copy space, curiosity, desk, efficient, electricity, energy, energy efficient lightbulb, environmental, environmental conservation, europe, european, front view, full length, green, green energy, green technology, happy, holding, idea, idealism, ideas, improvement, indoors, innovation, inspiration, light bulb, low angle view, man, mid adult, motivation, new ideas, north london, office, one mid adult man only, one person, people, photography, power, problem solving, progress, replacement, resourceful, serious, sitting, smiling, sustainability, technology, the way forward, thinking, vertical, viewing, wonder, working, 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, u10853756