Food and faith: the secrets of a long life

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As Elizabeth Gathoni Koinange celebrates her 117th birthday, her family share her secrets. Raised a short drive from Nairobi, her life has seen hardship and Kenyan independence. As she looks back on a turbulent life, she points to two things that have played a part in her longevity - food and faith. Image: Elizabeth Gathoni Koinange Credit: BBC