Students at the Denver Primary School in Johannesburg, South Africa, gather as they sing happy birthday and pray for Ailing former South African President Nelson Mandela on the occasion of his 95th ... more 
Students at the Denver Primary School in Johannesburg, South Africa, gather as they sing happy birthday and pray for Ailing former South African President Nelson Mandela on the occasion of his 95th birthday Thursday July 18, 2013. Nelson Mandela remained in a critical condition at the Medi-Clinic Heart Hospital in Pretoria , although he’s said to be improving and could be discharged soon.(AP Photo/Jerome Delay) less 
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Associated Press | Photo By Jerome Delay
Thu, Jul 18, 2013 5:34 AM EDT