All Questions
Tagged with construction 20th-century
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Did New York skyscrapers construction workers take any industrial action over safety concerns?
This video talks about the construction of New York's skyscrapers such as the Chrysler Building and Empire State by the 'roughnecks', a specialized set of construction workers who worked high in the ...
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Why are so many metros underground? Isn't that more expensive than an elevated system?
Starting with the London Underground in 1863, why are so many metros/subways built underground (as opposed to en elevated metro)? This requires a lot of digging and excavation, which to me seems a lot ...