The development of tall bulldings and lifts go together
the frist lifts,
or elevators in American english ,
consisted of a platform suspend from a rope which passed over a pulley at the top of the building.
If the rope broke .
the plattform fell to the grond In 1852 Elish Otis invented the first safety lift.
If the rope broke.
a brake was applied automatically which locked the platform in place between guide rails.
today the Otis company is the largest supplier of lifts in the world.