This photo is nicely dated in August 1939, days before the declaration of war. The driver and photographer of this Jaguar had just been to observe the 1939 Grand Prix in Bremgarten, Switzerland. They then drove to Salzburg, Austria, to watch the Six Day Motorcycle Trials. The War Office told them to make their escape, fearing the British competitors (many of them serving soldiers) and spectators would be taken prisoner. The petrol filling station is Azur - a French brand. But I understand this company had stations in neighbouring countries. I would like to locate exactly where the photo was taken, as the car survives and the owner would like to know. So identifying the nationality of the soldiers would be a big help, please.