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Blue Peter

on BBC One London

with Simon Groom, Janet Ellis and Michael Sundin
Straight Down the Line!: Simon tracks down the most famous line in the world, the zero line of longitude - otherwise known as the Greenwich Meridian - that celebrates its centenary next Saturday. Most visitors to Greenwich admire the famous Time Ball dropped one hour after noon each day-now is your chance to see how it works and why Greenwich Mean Time is of worldwide importance.
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Contributors

Presenter:
Simon Groom
Presenter:
Janet Ellis
Presenter:
Michael Sundin
Assistant Editor:
Lewis Bronze
Editor:
Biddy Baxter

BBC One London

About BBC One

BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.

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