Impressive footage featuring a group of US dancers performing sky ballet at the launch of the 17th Shanghai International Art Festival.

In the three-minute video, filmed on Friday morning, the dancers can be seen performing ballet along to the music on the glass windows of a skyscraper, high in the air.

According to news reports, the dancers are from the Bandaloop dance troupe of the United States, which is famous for its sky dancing show.

The team carried out a rehearsal on Thursday as the pre-show prior to the one-month festival from October 16 - November 16.

The official debut of a sky ballet performance by a group US dancers was launched in Shanghai, China this morning, as a special event to open the 17th Shanghai International Art Festival.

The impressive three-minute video, filmed on Friday morning, shows two couples of dancers performing ballet along the music on the glass windows of a skyscraper, high in the air.

According to news reports, the dancers are from the Bandaloop dance troupe of the United States, which is famous for its sky dancing show. The team carried out a rehearsal on Thursday as the pre-show prior to the one-month festival from 16 October to 16 November.