Calgary is Alberta's largest city and the center of Canada's oil industry. Calgary Tower, <I>background,</I> with red top, a city landmark, rises 626 feet (191 meters) over the downtown area. The Olympic Saddledome, <I>foreground,</I> opened in 1983. It was constructed for the 1988 Winter Olympic Games.
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(c) Mach 2 Stock Exchange</P>
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