The hollow core of the Rundetaarn was used in the 1760s as point zero when geographical measurements were taken of the complete kingdom of Denmark. Visitors may still get onto the glass platform placed over the 25 m pit.
The hollow core of the Rundetaarn was used in the 1760s as point zero when geographical measurements were taken of the complete kingdom of Denmark. Visitors may still get onto the glass platform placed over the 25 m pit.