The designers wanted to incorporate the four elements of earth, wind, water and fire. The domed shape of the internal floor represents the earth and the whole structure is open to the wind. A moat defines an island across the water and removed from the outside world. Unfortunately, cost restraints and the fire risk meant a permanent flame wasn't permitted so fire is represented by the sunlight across the face of the memorial.

The designers wanted to incorporate the four elements of earth, wind, water and fire. The domed shape of the internal floor represents the earth and the whole structure is open to the wind. A moat defines an island across the water and removed from the outside world. Unfortunately, cost restraints and the fire risk meant a permanent flame wasn't permitted so fire is represented by the sunlight across the face of the memorial.