Darwin spent more than half of the five years of the Beagle expedition in the most southerly region of Argentina, where his legacy is still vivid
Far from the recognisable image of the white-bearded father of modern biology, when Charles Darwin embarked on his expedition into the unknown, he was a young man who had twice disappointed his family.
A model of HMS Beagle, the navy ship on which Darwin sailed to South America in 1831
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