'Nuit Blanche': Art after dark in Paris's beloved all-night festival

Paris's annual Nuit Blanche, taking place on Saturday June 7, has become a much-loved art festival in the French capital, with thousands meandering the city's streets from one art exhibit to another. In this edition, we discover how it came about, learn about the origins of its name and take a quick look at other beloved night-time festivals in France.