Retracing a slave route in Ghana, 400 years later

"Growing up, I was told the story of two of my great-great-grand-uncles Kwame Badu and Kofi Aboagye who were captured and sold into slavery," says Assenso, 68, the chief of Adidwan, a village in Ghana's interior. He followed the family tradition and named his youngest son Kwame Badu.