Workers were inspecting a window on a building when a burst of wind caught their scaffolding and sent it spinning around multiple times.
The scaffolding went around in circles four times, smashing into windows on the 62-story building.
Witnesses say construction workers on the ground had to run for cover as glass started flying.
A rope was used to stabilize the scaffolding and bring it close to the building so the workers could be rescued.
No one was seriously injured.