medieval walzin castle on rocky hill protruding from lush green trees

aerial view ancient architecture ardennes building castle chateau cloudy countryside dinant europe exterior forest fort fortification fortress gothic green heritage hiking hill historic history land landmark landscape lookout medieval mountain nature old outdoor palace private river riverside rock spring summer tourism tourist tower travel tree valley viewpoint vintage wall woods walzin rocky protruding lush trees style stone walls towers low angle perspective sunny day namur province wallonia belgium