Suspension bridge across the Riesachbach near Schladming, Austria. The Riesachfalls close to the bridge are the highest waterfalls in Styria.
In order to create the dizzying effect, the photo has been edited with the help of Photoshop, using the lens-flare filter, radial blur, and the liquify effect. Perhaps you are interested to compare it with the original. Here ist the link to the unmodified original: