Techno festival Mayday 2011 in the Westfalenhalle Dortmund venue, Dortmund, North Rhine-Westphalia, Germany, Europe

2011 beam beams business colored colorful coloured colourful cultural culturally culture cultures dortmund europe event events festival festivals germany in inboard indoor indoors inside interior internal light lights mayday music north photo rhine rhine westphalia show shows techno techno the venue view views westfalenhalle westphalia