Looking west at southbound platform station identification mosaic in <a href="https://en.wikipedia.org/wiki/181st_Street_(IRT_Broadway%E2%80%93Seventh_Avenue_Line)" class="extiw" title="en:181st Street (IRT Broadway–Seventh Avenue Line)">en:181st Street (IRT Broadway–Seventh Avenue Line)</a>.
<a href="//commons.wikimedia.org/wiki/User:Jim.henderson" title="User:Jim.henderson">Jim.henderson</a>
<span class="int-own-work" lang="en">Own work</span>