29-Story Video Game Of Pong At Philadelphia’s Cira Centre (VIDEO)

Last April 19, 2013, spectators witnessed Philadelphia’s Cira Centre night life transformed into the world’s largest game of Pong, an Atari classic.

The event, part of this year’s edition of Philly Tech Week, was organized by Dr. Frank Lee, a gaming professor at Drexel’s Westphal College of Media Arts and Design.

Taking advantage of the buildings LED lighting panels that already covered the 83,000-square-foot wall, the video game was played on the 29-story skyscraper.

VIDEO: Watch the spectacle.