Frankie gave a cry. The ground had opened up in front of her. She began to slide down into a big black hole. Jack tried to stop her. He held her arm, but the hole was getting bigger each moment. Suddenly there was a roaring noise, and Jack slid down into the hole after Frankie. 'We've fallen about three metres into the vault,' Jack said to Frankie. 'Can you see anything?' 'No, but I can feel something,' Frankie said. 'I can feel one of the coffins. Jack, this place is full of dead people! It's full of rotting people and old bones. And the coffins are all rotting too. You can smell them. This is a horrible place!'