Heavy Drills 2007 8,705 h United States, Saugerties, New York
Heavy Drills 2010 15,000 h Germany, Schrobenhausen, Bayern
Heavy Drills 2010 7,300 h Germany
Heavy Drills 2009 19,800 h Germany
Heavy Drills 2012 10,100 h Germany
Heavy Drills 1994 22,500 h Spain, PALENCIA, Castilla y León