A self-styled 'mermaid' risks her life whenever she dives with giant sharks like great whites - but does it all in the name of science.
Blue-haired Nandile Ndhlovu, 33, is a diving instructor who is part of an all-female team looking at the migration patterns of sharks in South Africa.
Ndhlovu lives in Cape Town and is the country's first black free diving instructor and founder of The Black Mermaid Foundation, a company aiming to make the enjoyment of the ocean a more diverse and inclusive experience for those from disadvantaged backgrounds.