The famous structure lit up during the Festival of Lights in Lyon, France, is the Basilica of Notre-Dame de Fourvière. This stunning celebration, held in December, transforms the city’s landscape with spectacular light displays and artistic illuminations. The festival honors the Virgin Mary, with residents placing candles in their windows to symbolize hope and gratitude. Various landmarks, including the basilica, are illuminated artistically, creating a magical atmosphere throughout the city. Visitors enjoy a wide range of artistic installations and performances, making the Festival of Lights a significant cultural event that showcases creativity and community spirit.