Two window cleaners in China have been rescued after their platform spun out of control and crashed into the side of a Shanghai skyscraper.
The footage was captured by a diner in a restaurant on the located on the 91st floor of the 492 metre-tall Shanghai World Financial Centre on Thursday morning.
It shows the platform swinging violently back and forth and smashing into the glass windows at high speed - causing them to crack.
The incident lasted 15 minutes before the men were rescued.
The 492m Shanghai World Financial Centre is one of the tallest buildings in the world.
Here is an aerial view of the building:
According to news reports, two pieces of curtain wall on the 91st and 92nd floors were broken as a result of the impacts and the two window cleaners were treated in hospital with minor bruises.
It is thought that strong winds set the cradle swinging. The exact cause of the incident is still being investigated.
Here is the video:
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