lesse river between green leafy trees with walzin castle on hill in background

ardennes building castle cloudy concept countryside dinant ecosystem environment europe flowing foliage forest fortress green hill land landmark landscape lush medieval mountain nature old outdoor overflowing palace private reserve reservoir river riverbed riverside rural spring stream summer tourism tourist travel tree valley vegetation view water watercourse weather wilderness woods lesse leafy trees walzin background abundant banks day drehance namur province wallonia belgium