Canada Boundary Bay airshow held to honor 70th anniv. of WWII end

Crowds watch a Boeing B-17 heavy bomber aircraft performing a flight demonstration at the Boundary Bay air show in Delta, Canada, July 25, 2015. Honoring the 70th anniversary of the end of World War II, the air show this year showcases various vintage aircraft and flight demonstrations during the event. (Xinhua/Liang sen)