The pedestrian tunnel which leads from Broadway and West 190th Street to the 191st Street IRT station at St. Nicholas Avenue on the #1 line.  This image is looking west from the end of the tunnel nearest the station.  At one time the tunnel was decorated in a similar fashion to its entrance.
<a href="//commons.wikimedia.org/wiki/User:Beyond_My_Ken" title="User:Beyond My Ken">Beyond My Ken</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>