Helen Skelton is in Snowdonia looking at how the landscape has undergone many transformations down the ages, it is an area that has never stood still. Show more
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Helen Skelton is in Snowdonia looking at how the landscape has undergone many transformations down the ages, it is an area that has never stood still. Show more
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
