Sir David Attenborough turns 100. How well do you know the broadcaster's life and career?
Beloved broadcaster and naturalist Sir David Attenborough is celebrating his 100th birthday.
Time to test your knowledge: how closely have you been following his life and career?
Quiz collated by Rosemary McCabe and the Special Projects team.
Ben Osborne filmed with David Attenborough in Antarctica and South Georgia for Life in the Freezer.
Sir David, who lives in Richmond upon Thames, often speaks of his affection for London.
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