The bull Smoke Show goes after Mike Lee of Fort Worth, Texas after he got bucked off in the Bull Riding event during Championship Sunday at the finals of the Calgary Stampede rodeo in Calgary, Alberta, July 12, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

Timber Moore of Aubrey, Texas flips a calf to win the Tie-Down Roping event during Championship Sunday at the finals of the Calgary Stampede rodeo in Calgary, Alberta, July 12, 2015. REUTERS/Todd Korol

Dustin Walker of Aneroid, Saskatchewan wrestles a steer in the Steer Wrestling event during Championship Sunday at the finals of the Calgary Stampede rodeo in Calgary, Alberta, July 12, 2015. REUTERS/Todd Korol

Orin Larsen hangs onto the horse Twin Cherry after it slipped in the mud in the Bareback event during Championship Sunday at the finals of the Calgary Stampede rodeo in Calgary, Alberta, July 12, 2015. REUTERS/Todd Korol

Chandler Bownds, of Lubbock, Texas, lands on the back of the bull Chuckey after getting tossed in the air in the Bull Riding event during the Calgary Stampede rodeo in Calgary, Alberta, July 11, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

Dakota Eldridge of Elko, Nevada, jumps off his horse to wrestle a steer in the Steer Wrestling event during the Calgary Stampede rodeo in Calgary, Alberta, July 11, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

Shane Hanchey of Sulpher, Louisiana, flips a calf in the Tie-Down Roping event during the Calgary Stampede rodeo in Calgary, Alberta, July 11, 2015. REUTERS/Todd Korol

Clint Cooper of Decatur, Texas, ties up a calf in the Tie-Down Roping event during the Calgary Stampede rodeo in Calgary, Alberta, July 11, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

Jesse Lawes of Provost, Alberta hits the ground hard as he misses his steer in the Steer Wrestling event during the Calgary Stampede rodeo in Calgary, Alberta, July 10, 2015. REUTERS/Todd Korol

Chad Besplug gets tossed off the bull "Teen Spirit" in the bull riding event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

Calgary Stampede ranch girls lay on the ground after falling off their horses while bringing out the rodeo flags during the start of the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Members of the Calgary Stampeders cheerleading squad march during the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

KC Jones from Decatur, Texas, wrestles a steer to the ground in the steer wrestling event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol TPX IMAGES OF THE DAY

The Canadian flag is brought into the arena for the singing of the national anthem for the start of the 103rd annual Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Parade marshall and two-time Winter Olympic gold medalist Kaillie Humphries waves to the crowd during the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Fans dressed in native headdress watch the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Canada's Prime Minister Stephen Harper and his wife Laureen attend the start of the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Brendon McCallum from Red Deer, Alberta, gets bucked off the horse "Yucatan Margie" in the novice bareback event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Curtis Cassidy of Donalda, Alberta, wrestles a steer in the steer wrestling event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Liberal leader Justin Trudeau (R) greets people watching the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Calgary's Mayor Naheed Nenshi waves his hat to the crowd during the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Trent Kure of Red Deer, Alberta, gets bucked off "Yodelling Lizard" in the novice saddle brand event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Members of a Filipino cultural group march in the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Brendon McCallum from Red Deer, Alberta, gets bucked off the horse "Yucatan Margie" in the novice bareback event during the Calgary Stampede rodeo in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol

Parade marshall and two time Winter Olympic gold medalist Kaillie Humphries waves to the crowd during the Calgary Stampede parade in Calgary, Alberta, July 3, 2015. REUTERS/Todd Korol