Ключевые слова: activists, against, banner, blue, city, climate, cloud, cold, conflict, crowd, day, demonstration, ecology, economy, environment, europe, european, expression, flag, forest, freedom, friendship, government, green, ice, movement, natural, nature, ocean, opposition, outdoor, outdoors, people, plant, plastic, political, protest, rights, sea, season, sign, sky, street, strike, student, sunlight, symbol, together, tree, tropical, water, weather, world,