Jackson and Mandela on March 30, 1999. Nelson Rolihlahla Mandela is known worldwide for his struggle to overthrow white racism in South Africa for 50 years (1944-1994) and winning the Nobel Peace Prize for his efforts. He spent 27 years in prison from 1962- to 1990, and finally became the first black president of the country, bringing a unified and democratic South Africa. [Photo/CFP]
Geng Jiasheng, 54, a national master technician in the manufacturing industry, is busy working on improvements for a new removable environmental protection toilet, a project he has been devoted to since last year.