South Africa: Inside rugby's greatest production factory

Wales are set to face South Africa on Saturday in a rugby union match, with the BBC exploring why the Springboks continue to produce world-class players at an exceptional rate. South Africa, winners of four Rugby World Cups, maintain a seemingly endless supply of international-class talent despite retirements and players moving overseas. Coach Rassie Erasmus is already developing new talent as the Springboks build toward their 2027 Rugby World Cup defence.