A group of gospel singers sing tributes outside the entrance to the Mediclinic Heart Hospital where former South African President Nelson Mandela is being treated in Pretoria, South Afr

 

              A group of gospel singers sing tributes outside the entrance to the Mediclinic Heart Hospital where former South African President Nelson Mandela is being treated in Pretoria, South Afr
A group of gospel singers sing tributes outside the entrance to the Mediclinic Heart Hospital where former South African President Nelson Mandela is being treated in Pretoria, South Africa Wednesday, July 10, 2013. The Nelson Mandela Foundation is hoping that volunteers around the world will donate 67 minutes of their time when South Africa's former president turns 95 next week. (AP Photo/Ben Curtis)