Built by Marco Cianfanelli, this magnificent sculpture commemorates 50th anniversary of Nelson Mandela's arrest by apartheid police. The sculpture includes 50 steel columns that symbolize prison bars. When you view them at certain angles, Mandela's face appears. Courtesy of Whudat. Courtesy of Whudat.Built by Marco Cianfanelli, this magnificent sculpture commemorates 50th anniversary of Nelson Mandela's arrest by apartheid police. The sculpture includes 50 steel columns that symbolize prison bars. When you view them at certain angles, Mandela's face appears. Courtesy of Whudat. Courtesy of Whudat.