Redevelopment of the National Sports Centre would be a boost to locals and those who have fought for its return Redevelopment of the National Sports Centre would be a boost to locals and those who have fought for its return “T here were trees growing out of the main stand and on the indoor track and no one was doing anything about it,” says Jim Powell of the groundswell of despair at a crumbling Crystal Palace barely a couple of years after the Olympics were hosted to acclaim across the other