A portrait, center rear, representing former South African President Nelson Mandela is displayed on the windows of a building as lights inside the building reflect in downtown Cape Town, South Africa, Thursday, July 18, 2013. South Africa celebrated Nelson Mandela's 95th birthday on Thursday, a milestone capped by news that the former president's health was improving after fears that he was close to death during ongoing hospital treatment. (AP Photo/Schalk van Zuydam) ( South Africa Mandela )