About a year.
five
how long does it take to build a asimo
1 hour
everything
how long did it take to build the half moon
how long did it take to build the scottish parliment?
how long did it take to build cabot tower
It took about 2 minutes for each of Admiral Togo's battleships to turn around (to maintain their capping of the "T" formation over the advancing Russian battleships).
4 years each
hs2 will take 15 years to build
how long does it take to build a beam bridge of 2400 sq ft
How long did it take to build st James cathedral london