The Olympic flame lighting ceremony has started in the ancient city of Olympia in Greece. The ceremony started with the raising of three flags: the Olympic flag, the Union Jack, and the Greek flag.
Officials from the London Organising Committee are taking part in the hour-long ceremony that will culminate in the Olympic flame being lit by a "high priestess" who captures the morning sun's rays in a parabolic mirror.
The flame will then travel 1,800 miles around Greece before flying to Britain on May 18.
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