This is ending scene of Finnish dance movie SEE | OBEY.
The one continuous shot was filmed in 1000fps with Phantom Flex4K high speed camera.
In real life it took about 5 seconds.
Short making of video can be seen here:
SEE | OBEY
Direction, screenwriting, filming, editing, set design : Jouka Valkama
Choreography: Susanna Leinonen
Music: Kasperi Laine
Costumes: Niina Huovinen ja Susanna Leinonen
Make-up: Kaisu Hölttä
Production: Susanna Leinonen Company
Special thanks to Citius Imaging (suurnopeuskamera.fi) for high speed cameras