The Angels of Death: Inside The Squalid Brothels Of Nigeria

A series of photographs taken in the slums of Lagos shows the faces of sex workers living in squalid conditions.

And the images have a tragic undercurrent, with tens of thousands of people in the sex trade diagnosed with HIV each year, and millions dying from AIDS across Nigeria.

A survey conducted last year has also highlighted that attitudes towards condom use is helping the spread of the condition, and research suggests that nearly a quarter of Nigerian sex workers have HIV.