Surfing for glory | Video of the day
The windsurfing World Cup on the German island of Sylt is the biggest event of its kind in the world. Last year, 129 participants representing 31 countries surfed for the trophy, while 100,000 spectators are expected at this year's tournament. Deutsche Welle meets Bernd Flessner, one of the legends of the sport, with four World Cups notched on his board already.