20161030-s3-remembrance-day-mohamed-gandour-0002
Mach 1:Herb Greider stands by his favourite aircraft, the American Harvard MK4 in the Aero Space Museum of Calgary on Monday, Oct. 31, 2016. The Mk4’s distinctive sound in flight, is caused by the tips of the propeller exceeding the speed of sound. (Photo by Mohamed Gandour/The Press)
Be the first to comment