The Circus Building on Axel Torv in Copenhagen, Denmark. is a circular building completed in 1886 to serve as a venue for circus performances. The last circus to use the building was in 1990.
Wikipedia https://en.wikipedia.org/wiki/Circus_Building,_Copenhagen
Address 8 Jernbanegade, København 1608, Denmark
Coordinates 55°40'33.975" N 12°33'54.299" E