It took about 150 days for each one
37 years
it took 15 years to build the terracotta army
50 million years
720,000 people
hoe time
how long does it take to build a asimo
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
hs2 will take 15 years to build
how long does it take to build a beam bridge of 2400 sq ft
it took 3 years