SATURDAY About 1 am A snow storm, with winds blowing 56 kilometres per hour, begins its dump on the twin cities of Minneapolis-St. Paul. Snow quickly accumulates on the inflatable roof at the Hubert H. Humphrey Metrodome, the home of the National Football League's Minnesota Vikings. 9 am Stadium workers, braving terrible road conditions, finally start filing into the arena for what will be a long day. "Even getting here was extremely difficult. The snowplows were even stuck," said Steve Maki, the stadium's director of facilities and engineering. 11 am With hot air pumping through the stadium's intricate system of fans, workers try to melt the snow from the inside. Snow on the roof is typically melted using this fan system, which shoots hot air between a layer of fabric on the inside of the stadium, and the white, Teflon-coated fibreglass fabric on the outside. But with the snow still falling, and the wind screaming, it had little effect. 12 pm About seven stadium workers, including Mr. Maki, climb to the rooftop, secure themselves using cables, and grab hold of fire hoses that are placed specifically for freak weather like Saturday's 51-centimetre dump. "This is about a once-very-10-years occurrence," Mr. Maki said. Hot water shoots out of the hoses as the workers try to melt away the piles of snow. 6 pm After six discouraging hours of spraying into the fierce winds, Mr. Maki decides it's too unsafe for his team to keep going. "The wind was just howling. It almost knocked ...
http://www.youtube.com/watch?v=F_qjf6WRo2g&hl=en
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