A commercial diver welds a piece of metal in a pool during a training session at the National Diving School in Saint-Mandrier near Toulon, South Eastern France, November 19, 2014. The school, member of the IDSA (International Diving School Association), trains professional commercial divers for jobs in marine engineering, on oil platforms in the petroleum industry, and for water pipelines conduits used in the nuclear industry. Picture taken on November 19, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SOCIETY MARITIME)