Yahoo! Answers


Subject: How do cranes on top of buildings brought down after the structure is built?
Question: During construction the crane goes up to the top floor. After the building is finished, how are cranes brought down?

Helicopters and in pieces.

they are pretty cool things to watch ..they actually assemble and disassemble themselves ...its hard to explain try utube the odds are there is a video of it on there
Helicopter lift or the use of other another crane.