A massive 19th-century reservoir under the city of Copenhagen has been repurposed as a contemporary art cave. We venture inside to learn more about its history, and bask in the incredible acoustics of the space.

Visit Cisternerne and Frederiksberg Museerne: https://frederiksbergmuseerne.dk/da/

READ MORE IN THE ATLAS: https://www.atlasobscura.com/places/cisternerne