Children hum as they sing in celebration of Former South African President Nelson Mandela's birthday at a museum near his house in Qunu, South Africa, Monday, July 18, 2011. Millions of school ... more 
Children hum as they sing in celebration of Former South African President Nelson Mandela's birthday at a museum near his house in Qunu, South Africa, Monday, July 18, 2011. Millions of school children around the country sang 'Happy Birthday' to former South African President Nelson Mandela, to celebrate his 93rd birthday. (AP Photo/Schalk van Zuydam) less 
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Associated Press | Photo By Schalk van Zuydam
Mon, Jul 18, 2011 5:43 AM EDT