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This is the Sky Dome stadium in Toronto, Canada. The first stadium to have a retractable roof. This roof covers 8 acres and could fit a 31 story apartment building inside. It opened June 1989 and is the home of the Toronto Blue Jays and the Toronto Argonauts. 
Okay, so this is not much of a "Graphical" image here but I did have to use a long-exposure setting to absorb more light for this image. I was really amazed when I noticed later that the whole roof of this structure had opened up.