The La Noche en Blanco (White Nights) celebrated in Madrid

Performers dance on the poles during the La Noche en Blanco or "White Nights"in Madrid, capital of Spain, on Sept. 22, 2007. La Noche en Blanco, a joint cultural event that aims to bring the newest forms of contemporary art expression closer to citizens in a fun, festive way, was held in Madrid from 9 pm of Sept. 22 to 7 am of Sept. 23. The "White Night", an all-night cultural event, is celebrated in various cities all over the world, including Paris, London, Brussels, Rome, and Riga in Europe. [Quoted from Xinhuanet]