French athlete Philippe Croizon (C), whose arms and legs were amputated after an electric shock accident in March 1994, is helped by an unidentified diver to enter a 33 metre (36 yard) deep pool, the world's deepest pool built to train professional divers, at Nemo33 diving centre in Brussels Jan 10, 2013. [Photo/Agencies]

French athlete Philippe Croizon (C), whose arms and legs were amputated after an electric shock accident in March 1994, celebrates with unidentified divers in a 33 metre (36 yard) deep pool, the world's deepest pool built to train professional divers, at Nemo33 diving centre in Brussels Jan 10, 2013. [Photo/Agencies]