Variations, massing, comparison of various versions since 1956

(top left) no change of scale / no ...

(bottom left) Symmetry - definite enclosure free form ... 'relaxed' while giving dignity to the building

(Right) Continuity of one volume, not as dynamic as corner support, non-intuitive

Supports with .. but top heavy, not floating with effect ...

Sense of height in space ... the spirit of today

Spirit of today in ... Intentional