Christopher Gunness explores why funerals matter so profoundly to us, as individuals and societies. He talks to people who have lost loved ones in Ghana, Pakistan and the UK about the challenges they have faced. He discovers how burial and cremation have become popular in different countries at different times, visits a green burial place and looks at the growing world of online memorials.

Presenter: Christopher Gunness Producer: Bob Howard

(Photo: Ghana, Accra Funeral Service. Credit: Getty Images)