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