Airport workers were left scratching their heads after spotting what looked like a giant UFO in the sky. <br /> <br />The incredible footage, believed to have been filmed at Miami Airport, led to those on the tarmac whipping out their camera phones to snap the strange phenomenon. <br /> <br />'Check that out, woah, it's going to hit the plane,' shouts one man, as the strange blue shape moves through the sky. http://www.dailymail.co.uk/news/article-3704560/Incoming-Airport-workers-disbelief-UFO-trailing-blue-smoke-flies-runway.html
