A giant portrait of former South African President Nelson Mandela adorns a cooling tower of a now-defunct power station in Soweto, South Africa, on Monday, Dec 31, 2012. Mr. Mandela is recovering at his Johannesburg home since being hospitalized for a lung infection and undergoing gallstone surgery. (AP Photo/Denis Farrell)

Photo by: Denis Farrell

A giant portrait of former South African President Nelson Mandela adorns a cooling tower of a now-defunct power station in Soweto, South Africa, on Monday, Dec 31, 2012. Mr. Mandela is recovering at his Johannesburg home since being hospitalized for a lung infection and undergoing gallstone surgery. (AP Photo/Denis Farrell)