Share Share on Facebook Share on Twitter Pinterest Email The GT4 European Series Pro class entry of PROsport Performance for Hendrick Stillm and Carten Struwe with a Porsche Cayman PRO4 GT4 on the Spa-Francorchamps circuit during the fourth race meeting in the 2016 British GT Championship. 0 Author Nicholas Smith Photographer, Journalist, Truck Driver and eSports Racer. I am the proprietor of the Racing Photographic Service. Website Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment.