Ключевые слова: 253300029, 3035 years, 30s adult, adult, alone, alternative energy, blue sky, building exterior, caucasion, day, daytime, effort, environment, environmental issues, fitting, green issues, man, mid adult, mid adult man, one person, outdoors, outside, photovoltaic, roof top, solar, solar cell, solar energy, solar panel, solar power, tools, working,