It took 600 people and 14 years to build the Brooklyn Bridge.
Seemingly 30,000 Egyptian people worked day and night to build the Aswan High Dam. See links below.
It depends on the size and location. It can take several hundred men.
A total of 3,250,000 cubic yards.
how many people did it take to build the olympic stadium
It took about 456 people to build a castle
It takes tree years of hard work
456
1000
720,000 people
it takes 79 people to build a normal sized hose
It takes about over 500 people to build a turbine wowza!
Ten
12,000
1 at a minimum.