1 / 5   Art is all about points of view, and a crowd in Sydney was treated on Saturday to a perspective-changing performance – literally – as a group of dancers defied wind, gravity and acrophobia to put on a breathtaking vertical dance show on the glass wall of a high-rise building. /Chinanews Photo

2 / 5   The dancers, from US dance group Bandaloop, used climbing equipment to suspend themselves from the roof of the skyscraper, and glide across the shiny surface of the windows as they showed off their experimental choreography. /Chinanews Photo

3 / 5   In order to enjoy the revolutionary show, spectators had to lie on the ground. /Chinanews Photo

4 / 5   Established in 1991, Bandaloop pioneers in vertical dance performances and has put on shows around the world. /Chinanews Photo

5 / 5   Last year, the group held a show on the cliff face of Tianmen Moutain at Zhangjiajie National Forest Park in central China’s Hunan Province. /Chinanews Photo