Ключевые слова: animal, animals, background, bird, butterfly, concept, conservation, conserve, date, day, deer, design, earth, eco, ecology, element, elephant, environment, environmental, flora, forest, giraffe, global, globe, graphic, grass, green, illustration, jungle, landscape, leaf, life, march, natural, nature, planet, poster, preserve, protect, reserve, rhinoceros, save, sign, silhouette, symbol, tree, wild, wildlife, world,