US President Barack Obama, first lady Michelle Obama and their daughters Malia and Sasha look over the wall alongside canons during their tour of the Cape Coast Castle, a former slave holding facility, in the town of Cape Coast, Ghana, July 11, 2009.[Agencies]
US President Barack Obama and first lady Michelle Obama (2nd L) and their daughter Sasha (L) take part in a departure ceremony at the airport in Accra, July 11, 2009.[Agencies]
