|Vancouver's BC place and its glowing reflection in the water|
Previously it looked like a giant white puffy marshmallow when it opened on June 19, 1983 as the world's largest air-supported roof. But in January 2007 there was a tear in the fabric roof that quickly led to the deflation of the roof.
A year later $150 million was spent on renovations and not only fixing the roof but also making it retractable. It reopened in September 2011 having the world's largest retractable roof.