A part of the postal and communication museum Enigma at Øster Allé in Østerbro in Copenhagen. The red building at the left was build as a post office in 1922 while the green extension seen here was build in 1978. The first part of the museum opened in the red building in 2017 and the museum as a whole in 2023.
<a href="//commons.wikimedia.org/wiki/User:Dannebrog_Spy" title="User:Dannebrog Spy">Leif Jørgensen</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>