Ключевые слова: background, blue, body, care, caucasian, chance, concept, conceptual, earth, ecological, ecology, education, environment, environmental, environmentalism, female, free, geography, give, global, globe, green, hand, help, hold, holding, human, international, issues, life, nature, ocean, outdoor, peace, planet, protect, protection, sand, save, sea, small, social, tenderly, travel, white, world,