Rachel uses the shower curtain in my bathroom as an actual map to navigate the city.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65699349@N00">Rex Sorgatz</a> from New York
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/fimoculous/2721851977/">Utilitarian Subway Shower Curtain</a>