#21 A steelworker balances carefully on a girder during the Empire State Building construction in New York City.
#22 The photo depicts ironworkers enjoying lunch on a girder twenty stories high, seemingly unbothered by the drop below.
#23 Members of a derrick gang are fixing a beam during the Empire State Building's construction, with the bustling streets of New York far beneath them.
#24 A worker hired for repainting the iconic Eiffel Tower is pictured seated high up on the structure, with a paint bucket secured to his belt.
#25 Workers labor on a New York skyscraper, circa 1950.
#26 A construction worker sits on a scaffold, gazing over the expansive New York skyline.
#27 A team of riveters is seen securing a massive girder during the Paramount Building's construction.
#28 Circa 1930: Builders are diligently working on a skyscraper in New York.
#29 A workman is painting the Eiffel Tower in Paris, October 1969.
#30 Men are shown 500 feet up Blackpool Tower, performing necessary repairs.
#31 A photographer precariously balances eighteen stories above Fifth Avenue, using a stereoscopic camera to capture images of the city.
#32 A photographer balances eighteen stories above Fifth Avenue while he uses a stereoscopic camera to take pictures of the city.
