I guess you have to make your own fun at work, even when work is 20 stories off the ground on the skeleton of a future skyscraper. But these photos of construction workers enjoying their breaks and photo-ops high in the air are simply terrifying.

Of course, not all of these photos show workers goofing around. Some of them are just doing their jobs. Their scary, vertigo-inducing jobs.

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A construction worker is hauled up to his place of work on a 30-story skyscraper on New York's waterfront

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(Photo by Henry Guttmann/Getty Images and General Photographic Agency/Getty Images)

A man balancing on scaffolding, 150 ft over New Orleans, 1925

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(Photo by Topical Press Agency/Getty Images)

A worker walking blindfolded on a construction girder twenty stories high in New York City, 1925

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(Photo by Topical Press Agency/Getty Images)

Scaffolding workers twenty stories above the ground during the building of the New York Telephone Company building (now Verizon Building), 1925

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(Photo by Hulton Archive/Getty Images)

Lunch on a girder of the later Waldorf-Astoria Hotel on Park Avenue, New York City, November 1930

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(Photo by Keystone/Getty Images)

Pausing for a sandwich lunch, c. 1930

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(Photo by Hulton Archive/Getty Images)

Hanging on a wrecking ball pulley while working on the Empire State Building, c. 1930

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(Photo by Hulton Archive/Getty Images)

A man rests on a grinder at the 86th floor of the Empire State Building, New York City, September 1930

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(Photo by AP)

A group of steel workers standing on scaffolding 70 storeys high looking down over New York City from the GE Building (the centerpiece of Rockefeller Center), c. 1931

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(Photo by Horace Abrahams/Getty Images)

A man relaxes during his lunch break on a steel beam atop he RCA Building at Rockefeller Center, New York, September 1932

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(Photo by AP)

The photos of Charles C. Ebbets, shot on the construction of GE Building, 1932

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(via Anthony Luke)

A workman stands on a girder, probably in San Francisco, c. 1936

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(Photo by General Photographic Agency/Getty Images)

Two roofers take a break for lunch in front of the spire of All Souls Church, London, c. 1940

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(Photo by Keystone/Getty Images)