The 개선문, or Arc de Triomphe, is a monumental arch located in Paris, France. It was commissioned by Napoleon Bonaparte in 1806 to honor the French army's victories. The structure stands at 50 meters tall and 45 meters wide, featuring intricate sculptures and reliefs that depict various military events. Surrounding the 개선문 is the Place Charles de Gaulle, a large square where twelve avenues converge. The arch also serves as a tomb for the unknown soldier from World War I, symbolizing the sacrifices made during the war. Visitors can climb to the top for panoramic views of Paris.