U.S. Secretary of State Hillary Clinton is in South Africa, where she has met privately with anti-apartheid icon Nelson Mandela.
Clinton traveled to the former president's village of Qunu Monday. The 94-year-old Mandela is in frail health and rarely appears in public.
Clinton then went to Johannesburg, to attend high-level meetings between U.S. and South African officials and business executives.
Photo Gallery: Hillary Clinton's Trip to Africa
Secretary of State Hillary Clinton greets Kofi Annan and his wife Nane Lagergren at the funeral of Ghana President John Atta Mills, in Accra, Ghana, August 10, 2012.
U.S. Secretary of State Hillary Clinton, left, meets with Ghana's President John Dramani Mahama, at his residence in Accra, Ghana, August 9, 2012.
U.S. Secretary of State Hillary Clinton at a clinic at Delft township on the outskirts of Cape Town, South Africa, August 8, 2012.
South Africa's Health Minister Aaron Motsoaledi, left, and Hillary Clinton visit the Delft South Clinic in Delft South, a suburb of Cape Town, South Africa, August 8, 2012.
Hillary Clinton meets with former South Africa President Nelson Mandela and his wife Graca Machel at his home in Qunu, South Africa, August 6, 2012.
Hillary Clinton and South Africa's Foreign Minister Maite Nkoana-Mashabane see a rare snow flurry as they leave business meetings in Pretoria, South Africa, August 7, 2012.
Hillary Clinton walks out with African Union Chair-Designate Nkosazana Dlamini-Zuma after their meeting at Brynterion Estate in Pretoria, South Africa, August 7, 2012.
Hillary Clinton dances with Emille Phiri, chair of the Lumbadzi Milk Bulking Group, Lilongwe, Malawi, August 5, 2012.
Hillary Clinton meets with Malawi's President Joyce Banda at the State House in Lilongwe, Malawi, August 5, 2012.
Kenya's President Mwai Kibaki, with Hillary Clinton (R) and his vice president Kalonzo Musyoka (L), leaves after a meeting at State House in Nairobi August 4, 2012.
Hillary Clinton is met by Uganda's Foreign Affairs Minister Okello Oryem upon arrival at Entebbe International Airport, August 3, 2012.
Hillary Clinton shakes hands with Bishop Elias Taban in Juba August 3, 2012.
Hillary Clinton meets with South Sudan President Salva Kiir, August 3, 2012, at the Presidential Office Building in Juba.
Hillary Clinton, accompanied by President Macky Sall, speaks at the Presidential Palace in Dakar, August 1, 2012.
Hillary Clinton shakes hands with staff from the U.S. Embassy in Dakar, August 1, 2012.
The shadow of Hillary Clinton on a Senegalese flag before she spoke at the University of Cheikh Anta Diop in Dakar, Senegal, August 1, 2012.
Clinton has been promoting U.S. investment and trade during her 10-day tour of Africa.
South Africa is a major market for American goods, while the United States is a key export and investment market for South Africa.
Africa is home to some of the world's fastest growing economies and populations. Boosting trade and investment in the continent has been a key component of U.S. foreign policy there.
The U.S. is Africa's largest trade partner after China.
After her stop in South Africa, Secretary of State Clinton is scheduled to travel to Nigeria, Benin and Ghana.
Earlier stops on Clinton's tour included Senegal, Uganda, South Sudan and Kenya.
Map of countries Hillary Clinton is visiting in Africa
View Clinton's Africa trip in a larger map