Twin drum rollers 2010 7,800 h Italy, Caramagna Piemonte, Cuneo
Twin drum rollers 2014 4,250 h Netherlands, Haps, Noord-Brabant
Twin drum rollers 2011 4,788 h Hungary, wöllersdorf
Twin drum rollers 2017 2,745 h Poland
Twin drum rollers 2022 407 h Germany
Twin drum rollers 2010 7,805 h Germany, Coppenbrügge, Niedersachsen
Twin drum rollers 2018 1,925 h Germany
Twin drum rollers 2019 656 h Germany
Twin drum rollers 2022 617 h Germany