The Tri Cities 9-11 Memorial Stair Climb Will Be Held At The Holston Valley Parking Garage On Cassell Drive In Kingsport On Thursday Morning. The Climb Will Consist Of Participants Climbing 110 Floors (12 Trips) In Memory Of Those Who Were Killed On 9-11, 2001. Proceeds From The Event Will Be Donated To The National Fallen Firefighters Foundation. Anyone Can Participate In The Event Which Begins At 9 A.M. Check In Begins At 7:45 A.M.