the cameraman was apparently having difficulty maintaining the balance of his equipment ; the picture on the television screen shook first up and down and then from left to right , as though the hold controls had broken inside the set , and it was only when the image panned out on screen , revealing the sight of a deep fissure where previously there had been a new road , that carver realised that it was not just the cameraman but the whole ground surrounding him that was actually moving and contorting .