Keywords: LightBeamTiming.jpg en Light beam timing system on the finish line of the 2007 Pan American Games in Joao Havelange Olympic Stadium I shot this Andrew Hecker 2007-07-24 PermissionOTRS 2011120810002511 Check categories 2010 August 8 en wikipedia Fully_automatic_time 1 Fully automatic time Sports equipment Athletics Running tracks Timing equipment |