The memorial is made of slate and stands on a 12.5 cm thick armor plate from Tirpitz.
The memorial was made to honor the passengers and crew of Flight 93, who stopped the terrorists from reaching their target.
The Friends group proposed that a memorial be made incorporating the doorway, and it was set aside from demolition.
The memorial is made of intricately carved stone and is lit up at night.
However a memorial was made in the 1950s.
The larger central memorial is made of white granite with a cruciform column rising from between four struts in a contemporary design for its time.
Especially, though, memorials these days are made of black granite walls.
The memorial is made of cast glass.
Each memorial will be made of stainless steel and inscribed with victims' names.
The memorial was made possible by donations from the citizens of Fresno.
