When you look back at these old photos of skyscraper construction, you’ll see men way up high without harnesses, walking along beams suspended hundreds of feet above the street, and swinging on cables.
From the Pantheon to skyscrapers: Modern concrete rises through the ages Concrete is one of the most versatile construction and design products available — one
What did old New York look like years ago, after night fell? Here’s a peek at the ‘city that never sleeps’ as it appeared by the light of the moon, the stars… and the skyscrapers.
These vintage images of the 19th century San Francisco skyline vividly portray how the California city by the Bay changed over a few short decades in the 1800s. Take a look back at how the city grew and grew and grew.
Uncle Sam’s scientists, armed with every known precision test instrument, have set out to answer the much-debated question of “How safe are skyscrapers?”
The World Trade Center architect talks about how the towers were originally built, and see a collection of photos taken by visitors to NYC during the months and years before they fell.