Runner wearing a suit covered in lights
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Runners wanted to 'light up' Arthur's Seat

The search has begun for thousands of Scottish runners who will help light up one of the country's most iconic hills.

Speed of Light is one of four projects commissioned in Scotland to celebrate the 2012 Olympic games.

For three weeks in August 2012 runners in specially created suits will run across Arthur's Seat in Edinburgh to create a dazzling light display.

BBC Good Morning Scotland's Gary Robertson spoke to Angus Farquhar, director of the public arts charity NVA, which is behind the project.