The southwest portal of the Kaunas rail tunnel in Lithuania. The 1280 m long tunnel was repaired in 2009 and completely refurbished and upgraded in 2020. During the reconstruction, standard-gauge railway tracks were laid along the broad-gauge tracks.
<a href="//commons.wikimedia.org/wiki/User:Nenea_hartia" title="User:Nenea hartia">Nenea hartia</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>