/film has posted the first known photo from the set of Disney's long awaited sequel Tron. The image was sent in by someone passing by on the street. You can check out the photo below. The picture was also accompanied by a set report describing the scene:

Tron Set Photo
"They have been blocking off huge main sections of downtown for some pretty awesome looking action scenes. I saw tons of police cars chasing a guy hanging on to the top of a taxi. There were huge cranes holding up a stunt wire rig like I have never seen before. There is definitely some impressive non-light cycle real life action in this movie. They have also transformed the tallest building in the city with huge Encom logos and futuristic lighting."
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You can read more about the set report here. Tron is scheduled for a 2010 release date.