Visitors are seen at the 'Nature One' massive rave, held at the former US rocket base Pydna on August 3, 2013 in Kastellaun, Germany.
{"Image ImageDescription": "KASTELLAUN, GERMANY - AUGUST 03:  Visitors are seen at the 'Nature One' massive rave, held at the former US rocket base Pydna on August 3, 2013 in Kastellaun, Germany.  (Photo by Thomas Niedermueller/Getty Images)", "Image Copyright": "2013 Thomas Niedermueller"}