The Koivusaari metro station in Helsinki, Finland from the outside. At the time of photography the station was being renovated and thus closed off. Metro trains passed through without stopping.
<a href="//commons.wikimedia.org/w/index.php?title=User:JIP&amp;action=edit&amp;redlink=1" class="new" title="User:JIP (page does not exist)">JIP</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>