Ключевые слова: adult, age, background, binoculars, caucasian, checking, control, development, ecology, ecosystem, engineer, environment, examining, forest, forester, forestry, green, hard, hat, industry, inspection, job, lumberjack, male, man, management, middle, nature, occupation, outdoor, outdoors, park, person, plants, portrait, profession, professional, protection, ranger, research, technician, tree, vest, wood, woodland, work, worker,