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And you thought your screen was big. At Dolphin Stadium in Miami, there was unveiled an LED display built by Daktronics that's billed as the largest HDTV in the world. Just how big is it? How's a 145.80-foot diagonal screen sound? The monster is 50 feet high by 137 feet across; it's a 1750-inch screen.

Capable of 720p HDTV, it was unveiled this past weekend to season-ticket holders.

Dolphin Stadium HDTV (worlds largest) unveiled [HD Beat]