Ключевые слова: active, activity, air, blue, bright, cold, country, cross, day, exercise, february, flat, forest, freeze, fresh, frozen, great, healthy, idyllic, january, lake, landscape, lifestyle, motion, movement, nature, nordic, norway, oslo, ostmarka, outdoor, physical, recreation, scandinavia, scenic, season, seasonal, silhouette, ski, skiing, sky, snow, sport, sunny, trail, tree, winter, xcountry,