They turned a little to the right， raced down a steep hill， and found the long Bridge of Beruna in front of them. Before they had begun to cross it， however， up out of the water came a great wet， bearded head， larger than a man‘s， crowned with rushes. It looked at Aslan and out of its mouth a deep voice came.
“Hail， Lord，” it said. “Loose my chains.” “Who on earth is that？” whispered Susan.