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KANSAS CITY, Mo. — Firefighters around the mid-west remembered their fallen brothers in a special way on the 15th anniversary of the September 11 attacks.

This is the sixth year for the Memorial Stair Climb at the Town Pavilion in downtown Kansas City.

343 firefighters climbed 110 fights of stairs to remember the victims of 9/11 from the New York Fire Department.

They began at 8:56 a.m. the moment when the first terrorist attack on the World Trade Center occurred.

As they climb, each firefighter wears a picture of one of the people who died attempting to rescue those inside the burning building. And in the stairwells, they are listening to emergency radio traffic from that morning.

The climb is extremely emotional and physically grueling, as many of the firefighters are wearing full gear, carrying an oxygen tank and sometimes hoses and axes as well.

Over the last six years, the Kansas City Memorial Stair climb has raised nearly $70,000 for families of police officers and firefighters who have died in the line of duty.

For more information on how you can donate, go to the Surviving Spouse and Family Endowment fund website.