Ключевые слова: abstract, altitude, beautiful, beauty, black, cloud, contrast, country, decorative, design, forest, gradient, gray, grey, high, highland, hiking, holiday, horizon, landscape, monochrome, mountain, nature, outdoor, perspective, portugal, rock, rocky, scenery, season, shape, silhouette, spectacular, summer, tourism, tranquil, travel, tree, trekking, view, white, wood,