Visitors gathered in the courtyard of Notre-Dame in Paris on Wednesday night to watch the "Dame de Coeur" light show on the cathedral's facade. /Xinhua Photo

Created by director Bruno Seillier, the display commemorates World War I and will run until November 11. /Xinhua Photo

The show opens on a battlefield in 1917, with an injured American soldier who tells a young French nurse he regrets never visiting Notre-Dame. While sitting in the dark, the audience follows their discovery of the monument. /Xinhua Photo