What was the biggest firework you have seen?

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I went to one of my friends houses this weekend to find out he had the biggest firework I'd ever seen. It was a line of 16,000 firecrackers. They had already shot off about half of it a last night. A cop came and made them cut it off since fireworks are illegal in our city. The half that was left still took a solid ten minutes to shoot off. The house down the street literally dissappeared in smoke. It was quite amazing. I'm sure everyone in the neighborhood hates us for it. What was the biggest or most amazing firework you saw this weekend or have ever seen?