People sing and dance at the First National Bank (FNB) Stadium, also known as Soccer City, ahead of Nelson Mandela’s national memorial service in Johannesburg December 10, 2013. World leaders from U.S. President Barack Obama to Cuba’s Raul Castro joined thousands of South Africans to honor Nelson Mandela on Tuesday in a memorial that will celebrate his gift for bringing enemies together across political and racial divides. REUTERS/Yves Herman (SOUTH AFRICA – Tags: OBITUARY POLITICS) – RTX16BXB