This photo composite shows Hubert H. Humphrey Metrodome, Mall of America Stadium before (above) and after it's inflatable roof collapsed under the weight of snow and during a storm Sunday morning December 12, 2010 in Minneapolis, Minnesota. A blizzard dumped more than 20 inches of snow in parts of the Midwest forcing the NFL football game between the New York Giants and the Minnesota Vikings to be postponed till Monday and will be played in Detroit's Ford Field. There were no injuries reported from the collapse of the dome. (credits: Doug Pensinger (above) and Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
Snow surrounds the Hubert H. Humphrey Metrodome, Mall of America Stadium where the inflatable roof collapsed under the weight of snow during a storm Sunday morning December 12, 2010 in Minneapolis, Minnesota. A blizzard dumped more than 20 inches of snow in parts of the Midwest forcing the NFL football game between the New York Giants and the Minnesota Vikings to be postponed till Monday and will be played in Detroit's Ford Field. There were no injuries reported from the collapse of the dome. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
Snow surrounds the Hubert H. Humphrey Metrodome, Mall of America Stadium where the inflatable roof collapsed under the weight of snow during a storm Sunday morning December 12, 2010 in Minneapolis, Minnesota. A blizzard dumped more than 20 inches of snow in parts of the Midwest forcing the NFL football game between the New York Giants and the Minnesota Vikings to be postponed till Monday and will be played in Detroit's Ford Field. There were no injuries reported from the collapse of the dome. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
Snow surrounds the Hubert H. Humphrey Metrodome, Mall of America Stadium where the inflatable roof collapsed under the weight of snow during a storm Sunday morning December 12, 2010 in Minneapolis, Minnesota. A blizzard dumped more than 20 inches of snow in parts of the Midwest forcing the NFL football game between the New York Giants and the Minnesota Vikings to be postponed till Monday and will be played in Detroit's Ford Field. There were no injuries reported from the collapse of the dome. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
Cars pass the Hubert H. Humphrey Metrodome, Mall of America Stadium where the inflatable roof collapsed under the weight of snow during a storm Sunday morning December 12, 2010 in Minneapolis, Minnesota. A blizzard dumped more than 20 inches of snow in parts of the Midwest forcing the NFL football game between the New York Giants and the Minnesota Vikings to be postponed till Monday and will be played in Detroit's Ford Field. There were no injuries reported from the collapse of the dome. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Metrodome Roof Collapses Under Heavy Snow
The Hubert H. Humphrey Metrodome is shown with a collapsed roof on December 12, 2010 in Minneapolis, Minnesota. (credit: Tom Dahlin/Getty Images)
Repairs Continues After Metrodome Roof Collapses
A torn section of the roof sags inside the Hubert H. Humphrey Metrodome on December 13, 2010 in Minneapolis, Minnesota. The Metrodome's roof collapsed under the weight of snow after a powerful blizzard hit the area on December 12, 2010. (credit: Hannah Foslien/Getty Images)
Repairs Continues After Metrodome Roof Collapses
A torn section of the roof sags inside the Hubert H. Humphrey Metrodome on December 13, 2010 in Minneapolis, Minnesota. The Metrodome's roof collapsed under the weight of snow after a powerful blizzard hit the area on December 12, 2010. (credit: Hannah Foslien/Getty Images)
Repairs Continues After Metrodome Roof Collapses
A torn section of the roof sags inside the Hubert H. Humphrey Metrodome on December 13, 2010 in Minneapolis, Minnesota. The Metrodome's roof collapsed under the weight of snow after a powerful blizzard hit the area on December 12, 2010. (credit: Hannah Foslien/Getty Images)
Repairs Continues After Metrodome Roof Collapses
(credit: Hannah Foslien/Getty Images)
Repairs Continues After Metrodome Roof Collapses
A torn section of the roof sags inside the Hubert H. Humphrey Metrodome on December 13, 2010 in Minneapolis, Minnesota. The Metrodome's roof collapsed under the weight of snow after a powerful blizzard hit the area on December 12, 2010. (credit: Hannah Foslien/Getty Images)
Repairs Continues After Metrodome Roof Collapses
A torn section of the roof sags inside the Hubert H. Humphrey Metrodome on December 13, 2010 in Minneapolis, Minnesota. The Metrodome's roof collapsed under the weight of snow after a powerful blizzard hit the area on December 12, 2010. (credit: Hannah Foslien/Getty Images)
