The Twins swapping Ice Skates for wheels in a bid for more Olympic glory
Find out why Sochi speed skating champion Michel Mulder and bronze medallist brother Ronald have been in-line skating at the World Games.
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The Twins swapping Ice Skates for wheels in a bid for more Olympic glory
Find out why Sochi speed skating champion Michel Mulder and bronze medallist brother Ronald have been in-line skating at the World Games.
