Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012 in Edinburgh, Scotland. The piece which forms part of the annual Edinburgh Festival is set to illuminate the iconic natural monument as hundreds of people make their way up and around, creating streaks of light as they go. Each of the walkers glowing sticks is also set to provide a musical accompaniment as their movement triggers the sticks to create different sounds.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make some final preparations before making their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Light emitting suits await their runners before they make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks begin to make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks begin to make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks begin to make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits pause for a photograph before making their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks begin to make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Runners and walkers dressed in light emitting suits and holding light sticks make their way up Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.
Walkers dressed in light emitting suits and holding light sticks prepare for the final accent to the summit of Arthur's Seat as part of a dress rehearsal of a mass participation public art piece called 'Speed of Light' on Aug. 8, 2012, in Edinburgh, Scotland.