Chris Packham introduces a classic documentary from the BBC's archive, which takes a look at the worst winter of the 20th century in 1963. He also explores what we now know about how
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Chris Packham introduces a classic documentary from the BBC's archive, which takes a look at the worst winter of the 20th century in 1963. He also explores what we now know about how this big freeze affected Britain's wildlife, and how it would cope if we experienced another equally bad winter.
