Gun being fired
Airplanes and reenactors photographed at in connection with Høytorptreffet, an annual event at the Høytorp fort.
Høytorp fort is a barrage fort in the Glomma defence line, built 1912-17. On April 13th and 14th 1940 the fort was in combat against German army units . It is now protected as a national monument.
©Fredrik Naumann/Felix Features