The Festival of Lights (Fête des lumières) in Lyon is an annual festival that expresses gratitude toward Mary, mother of Jesus and starts around December 8th each year.
The Festival of Lights 2018
Traditionally, every house in Lyon during this festival place candles along the outsides of all the windows in order to produce a spectacular effect throughout the streets.
Lyon is a major center of urban lighting, including both temporary and permanent lighting projects. The Lighting Plan dates back to 1989. Light is no longer used just for security purpose; it has become an essential component of the urban environment as well.