San Diego fireworks watchers were treated to a unique light show last night when a technical error caused the Big Bay Boom's entire 18-minute display - some tens of thousands of explosions - to be launched in one awesome but short-lived 15-second display just before the show's scheduled start.

According to ABC News, "Garden State Fireworks, the firm hired by the city to produce the show, acknowledged the mistake." 

Here's an Instragram photo and another video:

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