Fort Thuengen with Fortress Museum and Mudam Museum, Luxembourg City, Grand Duchy of Luxembourg, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day background people incidental people people in the background travel destination travel destinations tourist destination travel castle ruin fort forts fortified fortification fortress fortresses fort thuengen fortress museum mudam museum luxembourg city grand duchy of luxembourg europe european building exterior building buildings architecture architectural history historical historic heritage stone castle wall modern contrast art culture and entertainment landmark landmarks famous well known well known tree