But , it is usually the NHK it switches with .
From the research I have been doing ( see above ) , I 've found that it 's not unusual for the Cup of Russia to switch dates with other GP 's from one year to the next .
It is usually the NHK it switches with .
From the research I have been doing ( see above ) , I 've found that it 's not unusual for the Cup of Russia to switch dates with other GP 's from one year to the next .