Bergeon - Rivier, FRA | 2015 World Standard R2 SF Alexis Bergeon - Johanna Rivier, FRA, dance the Slow Foxtrot in round 2 of the 2015 World Standard on 5 December in Vilnius, LTU. world fra round federation slow foxtrot bergeon rivier ltu r2 vw alexis johanna vilnius std total subscribe sf 2015 2