This is a Ford Iveco van with a trailer. Note the…

This is a Ford Iveco van with a trailer. Note the long side-on blue light on the trailer. It looks like the far side of it opens up to make a display or show. The van also has two blue lights to the rear as ‘repeaters’ because the main bar of blue lights is so high and so far from the front that it may be missed when viewed by a car behind.