'It contains over 5,000 tons of steel, rises 630 feet in the air & is in the shape of an inverted catenary curve'
The St. Louis Gateway Arch
U.S. LANDMARKS: It contains over 5,000 tons of steel, rises 630 feet in the air & is in the shape of an inverted catenary curve
It contains over 5,000 tons of steel, rises 630 feet in the air & is in the shape of an inverted catenary curve
It contains over 5,000 tons of steel, rises 630 feet in the air & is in the shape of an inverted catenary curve
U.S. LANDMARKS
The St. Louis Gateway Arch
U.S. LANDMARKS