a long time
it take 2 days
It took 273 days for them to build the pyramid
It takes a long time...
it took 27years to build interstate 75.
Apparently it took curiosity 8 months.
It took Curiosity 253 days to land on the planet Mars
8.5 months
3 days
9 months
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
eight month
Curiosity is good and because of it people invent, travel, experience things, build, and create. To cure curiosity though, you have to get the answers you desire.
hs2 will take 15 years to build