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20,000 workers
25 thousand
15,000 workers
20,000
To much to count
3400 workers
About 12 000 men.
depends on the area and height of the building
It took 20,000 workers 50 years to build the Aztec temple
It all depends on the kind of bridge you are building
Titanic's workforce was about fifteen-thousand workers with many more offsite. The keel was laid in March 1909 and her sailing was April 1912.
How long is a peice of string? depends on many aspects.. IE time, workers, weather, tools etc