The sport is developing rapidly and has become so prominent that President Putin of Russia attended the 6th World Championships in Ufa from 9 to 13 October 2007 .
The 6th World Championships in Ufa are the capital of Bashkortostan .
The sport is developing rapidly and has become so prominent that President Putin of Russia attended the 6th World Championships in Ufa , the capital of Bashkortostan , from 9 to 13 October 2007 .