Johannesburg: NBA Celebrates Mandela’s Birthday w=540 h=398] The U.S. National Basketball Association celebrated Nelson Mandela International Day by hosting a series of youth basketball skills development clinics with the SHOUT Foundation and the Nelson Mandela Foundation at Maponya Mall in Soweto. About 60 boys and girls from various schools in the township of Soweto participated in the clinic. The basketball clinic promoted the importance of staying active and living a healthy lifestyle. Each training session for the participants lasted 67 minutes. The 67 minutes are in memory of Mandela’s 67 years that he spent in the struggle for social justice.