Yep, I was wondering the same thing until I noticed that the traffic was a bit off... You'll notice the same cars appearing in multiple sections of the image
Could the car have moved at the same time as the camera, such that it appeared in two different pictures which were later stitched together?
Yep, that's usually the giveaway of these types of panorama shots. Sometimes you can even find the same person in multiple places depending on how far apart the pics are taken.
Here's a quick screenshot I made of that very problem: