110- Structural Integrity

Published: April 15, 2014, 7:40 p.m.

When it was built in 1977, Citicorp Center (later renamed Citigroup Center, now called 601 Lexington) was, at 59 stories, the seventh-tallest building in the world. You can pick it out of the New York City skyline by its 45-degree \u2026 Continue reading \u2192