It takes 1 and a half minutes to lift.
About five minutes.
how long does it take to build a beam bridge of 2400 sq ft
Tower Bridge is in London.
five seconds to sign your lift stay motion
The current bridge was built between 1968 and 1973.
About 4 years.
5 years
About 5 minutes.
five years
About 4 minutes.
About 4 years.
16 years!