Three P52 Mustangs perform aerial acrobatics to the delight of the crowd at the air show.

Two Blue Angels F/A-18 Hornet jets – one right-side up, the other upside down – fly precariously close to each other during the 2009 Canadian International Air Show.

The Snowbirds, Canada’s national aerobatic team, perform a burst manoeuver over Lake Ontario during the 2009 Canadian International Air Show.

Four members of the Canadian Snowbirds acrobatic team (two flying in each direction) pass within meters of each other while performing this stunt yesterday, day two of the 2009 Canadian International Air Show.

A U.S. Navy Blue Angels F/A-18 Hornet fighter jet practises for the Canadian International Air Show, which starts today and runs through Monday. This jet was one of six streaking noisily over both Lake Ontario and downtown Toronto yesterday.