That depends on many things. By far the quantity that has the greatest
influence on the falling time is the height of the building.
1 minute and 43 seconds
As long as your mom took to fall for me.
Not too long.
depends
it just won't take long
The Empire building didn't fall down.
never
5 months
It takes them about 20 minutes to fall asleep. I CAN'T WAIT THAT LONG!!
Not very long. Some people can fall in love at the age of 4 years old.
It depends how wet it is, how heavy the building is, how well built it is, etc
The problem with building castles out of stone is that it would take to long to build.