|Eero Saarinen's St. Louis Gateway arch at sunset.
|The St. Louis Riverfront, 1942, the progress after only nine years.
|Architect Eero Saarinen with
a scale model of the Arch.
|The Catenary Arch
|October 28, 1965, the capping steel section
is gingerly raised into place.
|A dizzying view--the Gateway Arch Observation room at the top.
Trams climb the inside of both legs, which are mostly steel-encased reinforced concrete.