However , it faces a major challenge to the development of its core purpose ( i.e. rugby union ) because of the changing demographics of the area .
The core rugby culture is being sustained despite the presence of a large number of other sports .
It faces a major challenge to the development of its core purpose ( i.e. rugby union ) because of the changing demographics of the area .
The core rugby culture is being sustained despite the presence of a large number of other sports .