The Hollow Tube is an artificial passage through the Earth, which connects a wilderness oustide the Nome Kingdom with the fairyland ruled by Tititi-Hoochoo the Great Jinjin. The tube does not go straight down, but at an angle so that those who travel through it slide instead of fall. It is completely dark, but after the initial shock of falling it is not unpleasant. A full one-way trip lasts more than an hour. On the Hoochoo end, the opening of the Tube is bordered by a silver rim and a golden railing. The railing bears a sign that reads,