Polyakov / Gannotchka, BLR | 2013 World SEN I 10D R2 C Denis Polyakov / Tatiana Gannotchka, BLR, dance the Cha Cha Cha in Round 2 of the 2013 WDSF World DanceSport Championship Senior I Ten Dance in Antwerp, BEL. championship world round tatiana cha senior antwerp sen bel 2013 r2 blr denis 10d polyakov gannotchka