Booms and dippers Sweden, Växjö, Kronobergs län
Booms and dippers Poland, Kielce
Booms and dippers Netherlands, GOOR
Booms and dippers 2009 Netherlands, Ritthem
Booms and dippers 2020 China, jining ,shandong
Booms and dippers 2010 Netherlands, GOOR
Booms and dippers 2017 Netherlands, Ritthem
Booms and dippers 2008 Poland
Booms and dippers Finland, Humppila
Booms and dippers 2003 Netherlands, GOOR