Aerial, drone shot rising over a icy lake, hills and forest, on a sunny, winter day, in Risvann, Birkeland, Agder, South Norway

forest woods trees lake pond hill norway snowy risvann birkeland frosty winter frozen agder wonderland lane scandinavia snow woodland cold frost tree nature background scene sky white season outdoor view sunlight scenic pine wood weather scenery europe natural northern north outside day overlook over rural countryside blue sunny norwegian