Ключевые слова: background, beautiful, beauty, biosphere, blue, bush, calm, canal, channel, clouds, colorful, danube, danubian, delta, ecosystem, environment, europe, fishing, forest, green, horizon, lake, landscape, morning, natural, nature, outdoor, park, peaceful, pond, protected, reed, reflection, reservation, reserve, river, romania, scene, scenic, sky, spring, summer, sun, tree, tulcea, vegetation, water, wetland, wild, wildlife,