If you live in Toronto the largest city of Canada, you will see something different in the night. The world’s tallest free-standing structure, the CN Tower, activates its new LED Architectural Illumination system last two days, on 28th June 2007. At night, you see the CN tower glows LED lights with effects. The tower is lighted up by an array of 1,300 shoebox-sized LED lights. Video after the jump.

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[via Neatorama]