Liliesleaf Farm was secretly used by the African National Congress activists in the 1960s. It was purchased as headquarters for the underground Communist Party, with funds from the South African communist Party. Nelson Mandela needed a safe place to operate from. He lived there, working in blue overalls under the false name, David Motsamayi, assumedly employed by the owner to look after the farm. Many prominent ANC leaders were arrested at the time, leading to the Rivonia Trial. Today Lilliesleaf Farm is a Museum and world famous Heritage Site, visited by many tourists annually. It is rated as one of the top things to do in Johannesburg.