The journey in winter to Vienna and on to Turkey was in due course written up by his wife, an account that foreshadowed later travel writing.

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In Tolkien, there is a clear season for autumn, winter, summer, spring in the journey.

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The rest of the team will continue with their 2, 000-mile (3, 219km) trek as part of the "Coldest Journey" expedition as they aim to become the first people in history to cross the Antarctic in winter.

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