Nothing is planned: 72%

Some type of observance will occur but exact plans are unknown: 17%

Observe a moment of silence before the workday begins: 7%

Give employees additional time off to reflect and remember: 2%

Encourage the formulation of a lunchtime discussion group: 2%

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In New York City, one year after thousands of people were killed in the terrorist attacks that destroyed the World Trade Center, a memorial will feature the Tribute of Light, consisting of two powerful searchlights that will send beams high into the sky from the site where the towers once stood. They will be visible 20 miles away.

In addition, a steel and bronze sculpture called "The Sphere," which once stood in the fountain of the Trade Center Plaza, will serve as a temporary memorial to the victims and their fallen fire and police rescuers. The sculpture was damaged by falling debris, but organizers say that it will likely serve as the centerpiece of a permanent memorial. When first installed in the early 1970s, the piece was meant to symbolize "world peace through international trade."

In Washington, D.C., a memorial at the point of impact will honor and remember the 189 people killed at the Pentagon. In Shanksville, Penn., the National Park Service is working with victims' families to create a memorial near the crash site of the fourth hijacked plane. It will honor the 40 passengers who fought the terrorists and successfully thwarted their plan to crash it into the White House.