Chicago officials say pebbles picked up by high winds broke downtown windows
By APMonday, June 21, 2010
Chicago officials say pebbles broke windows
CHICAGO — Chicago officials say white pebbles spread on rooftops to reflect sunlight are to blame for some broken high-rise windows in last week’s violent storms.
The white pebbles are put on roofs to lessen the need for air conditioning in the buildings.
Jose Santiago, director of Chicago’s Office of Emergency Management, said Monday that the 77 mph winds that hit the city Friday afternoon picked up an unusual number of the pebbles and pelted them against windows.
One of the buildings where windows were broken was the 110-story Willis Tower, long known as the Sears Tower.
Two windows in the imposing black building were broken.
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