Forever
it depends of the size and the level of complication. large and complex ones can take months.
it started in 70ad and ended in 82 ad so that is12 YEARS
it started in 70ad and ended in 82 ad so that is12 YEARS
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
It depended on how big the mosaic was and how small the pieces that were used were. Large and sophisticated mosaics built take years to make.
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