Gondola of window wiping trader bowls building

The gondola has been swayed by strong winds and destroyed enough to destroy building windows by recoil. Because there is sometimes a gust of wind blowing on a calm day of the wind, the window wiping of the building is a life-saving job.

The movie is from the following.
It is a fear that can not be compared with screaming machines of amusement parks.
YouTube - Window Cleaner Accident


People who wipe the window without gondolas, afraid to be like the movie above.
YouTube - London Window Cleaners


A movie showing a careful preparation by a window wiping company.
YouTube - Window Cleaning Eureka Tower